., N. M. (1980). Sistim nilai Kebenaran, Seri Logika Praktis Seri 5.
Chicago Style (17th ed.) Citation., Noor M. Sistim Nilai Kebenaran, Seri Logika Praktis Seri 5. 1980.
MLA (8th ed.) Citation., Noor M. Sistim Nilai Kebenaran, Seri Logika Praktis Seri 5. 1980.
Warning: These citations may not always be 100% accurate.