Yutthanā Tanwongwān & Ratchanī Thimwong. (1998). Kh̨̄omūn ph̄ưnthān saphāp panhā sapphayāk̨̄on thammachāt læ singw̄ætlom ph̄ưa k̄ānčhattham ph̄æn patibatkān ph̄ưa kānčhatkan khunnaphāp singw̄ætlom nai radap čhangwat. Sanakngān Singw̄ætlom Phāk thī 2, Samnakngān Nayōbāi læ Ph̄æn Singw̄ætlom.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Yutthanā Tanwongwān و Ratchanī Thimwong. Kh̨̄omūn Ph̄ưnthān Saphāp Panhā Sapphayāk̨̄on Thammachāt Læ Singw̄ætlom Ph̄ưa K̄ānčhattham Ph̄æn Patibatkān Ph̄ưa Kānčhatkan Khunnaphāp Singw̄ætlom Nai Radap čhangwat. Saraburī: Sanakngān Singw̄ætlom Phāk thī 2, Samnakngān Nayōbāi læ Ph̄æn Singw̄ætlom, 1998.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Yutthanā Tanwongwān و Ratchanī Thimwong. Kh̨̄omūn Ph̄ưnthān Saphāp Panhā Sapphayāk̨̄on Thammachāt Læ Singw̄ætlom Ph̄ưa K̄ānčhattham Ph̄æn Patibatkān Ph̄ưa Kānčhatkan Khunnaphāp Singw̄ætlom Nai Radap čhangwat. Sanakngān Singw̄ætlom Phāk thī 2, Samnakngān Nayōbāi læ Ph̄æn Singw̄ætlom, 1998.