APA Style

Supakalin, Y. (1986). A Guide to Diplomatic and Official Correspondence / Yongyut Supakalin (1). Thailand: Navy Logistics Department.

MLA Style

Supakalin, Yongyut. "A Guide to Diplomatic and Official Correspondence / Yongyut Supakalin". 1 Thailand: Navy Logistics Department, 1986. Textbook ห้องสมุดทั่วไป.