APA (7th ed.) Citation

Wilai Panpanich. (1969). A school-leaving examination in English for Thai lower secondary school students. publisher not identified].

Chicago Style (17th ed.) Citation

Wilai Panpanich. A School-leaving Examination in English for Thai Lower Secondary School Students. [Quezon City: publisher not identified], 1969.

MLA (9th ed.) Citation

Wilai Panpanich. A School-leaving Examination in English for Thai Lower Secondary School Students. publisher not identified], 1969.

Warning: These citations may not always be 100% accurate.