Ungku A. Aziz, P. (1980). Prinsip-prinsip koperasi (1st.ed.). Kuala Lumpur: Angkasa.
Chicago Style CitationUngku A. Aziz, Prof. Prinsip-prinsip Koperasi. 1st.ed. Kuala Lumpur: Angkasa, 1980.
MLA CitationUngku A. Aziz, Prof. Prinsip-prinsip Koperasi. 1st.ed. Kuala Lumpur: Angkasa, 1980.
Warning: These citations may not always be 100% accurate.