Sūn Watthanatham Čhangwat Phētburī. Khrōngkān Ph̄œiphr̄æ Wannakam Th̨ōngthin & L̨ōm Phengk̄æo. (1982). Bon ph̄œ phưm thưng: Krathū 56 bot. Khrōngkān Ph̄œiphr̄æ Watthanatham Th̨ōngthin, Sūn Watthanatham Čhangwat Phētburī.
Chicago Style (17th ed.) CitationSūn Watthanatham Čhangwat Phētburī. Khrōngkān Ph̄œiphr̄æ Wannakam Th̨ōngthin i L̨ōm Phengk̄æo. Bon Ph̄œ Phưm Thưng: Krathū 56 Bot. Phētburī: Khrōngkān Ph̄œiphr̄æ Watthanatham Th̨ōngthin, Sūn Watthanatham Čhangwat Phētburī, 1982.
Cita MLASūn Watthanatham Čhangwat Phētburī. Khrōngkān Ph̄œiphr̄æ Wannakam Th̨ōngthin i L̨ōm Phengk̄æo. Bon Ph̄œ Phưm Thưng: Krathū 56 Bot. Khrōngkān Ph̄œiphr̄æ Watthanatham Th̨ōngthin, Sūn Watthanatham Čhangwat Phētburī, 1982.
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