APA (7th ed.) Citation

Abdul Aziz Ungku. (1980). Prinsip-prinsip koperasi. ANGKASA.

Chicago Style (17th ed.) Citation

Abdul Aziz Ungku. Prinsip-prinsip Koperasi. Kuala Lumpur: ANGKASA, 1980.

MLA (9th ed.) Citation

Abdul Aziz Ungku. Prinsip-prinsip Koperasi. ANGKASA, 1980.

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