], [. t. t. (2004). ADSO4: Advertising Directory of Singapore. Sledgehammer Communications.
Chicago Style Citation], [ tak terdaftar. ADSO4: Advertising Directory of Singapore. Sledgehammer Communications, 2004.
MLA Citation], [ tak terdaftar. ADSO4: Advertising Directory of Singapore. Sledgehammer Communications, 2004.
Warning: These citations may not always be 100% accurate.