Usman, S. (1977). Kumpulan karangan pajak: Sinar harapan 1973, 1974, 1975. Sinar Harapan.
Chicago Style (17th ed.) CitationUsman, S. Kumpulan Karangan Pajak: Sinar Harapan 1973, 1974, 1975. Sinar Harapan, 1977.
MLA (8th ed.) CitationUsman, S. Kumpulan Karangan Pajak: Sinar Harapan 1973, 1974, 1975. Sinar Harapan, 1977.
Warning: These citations may not always be 100% accurate.