(1991). ʻĒkkasān sarup læ pram̄œn phon kāčhat ʻoprom khrū Khrōngkān Phattanā Khrū Phus̜̄on radap Prathomsưksā pī thī 1, 2, Samnakngān Kānprathomsưksā Čhangwat Phetchabūn læ Čhangwat Phičhit: Khrōngkān rūam rawāng Krom Kanfưkhat Khrū kap Samnakngān Khana Kammakān Kānprathomsưksā h̄æng Chāt, 22 Mēsāyon-31 Phrưtsaphākhom 2534 na Witthayālai Khrū Phetchabūn. Krom Kanfuʻkhat Khrū : Samnakngān Khana Kammakān Kānprathomsuʻksa h̄æng Chāt.
Citação norma ChicagoʻĒkkasān Sarup Læ Pram̄œn Phon Kāčhat ʻoprom Khrū Khrōngkān Phattanā Khrū Phus̜̄on Radap Prathomsưksā Pī Thī 1, 2, Samnakngān Kānprathomsưksā Čhangwat Phetchabūn Læ Čhangwat Phičhit: Khrōngkān Rūam Rawāng Krom Kanfưkhat Khrū Kap Samnakngān Khana Kammakān Kānprathomsưksā H̄æng Chāt, 22 Mēsāyon-31 Phrưtsaphākhom 2534 Na Witthayālai Khrū Phetchabūn. [Phetchabun?]: Krom Kanfuʻkhat Khrū : Samnakngān Khana Kammakān Kānprathomsuʻksa h̄æng Chāt, 1991.
Citação norma MLAʻĒkkasān Sarup Læ Pram̄œn Phon Kāčhat ʻoprom Khrū Khrōngkān Phattanā Khrū Phus̜̄on Radap Prathomsưksā Pī Thī 1, 2, Samnakngān Kānprathomsưksā Čhangwat Phetchabūn Læ Čhangwat Phičhit: Khrōngkān Rūam Rawāng Krom Kanfưkhat Khrū Kap Samnakngān Khana Kammakān Kānprathomsưksā H̄æng Chāt, 22 Mēsāyon-31 Phrưtsaphākhom 2534 Na Witthayālai Khrū Phetchabūn. Krom Kanfuʻkhat Khrū : Samnakngān Khana Kammakān Kānprathomsuʻksa h̄æng Chāt, 1991.