KRISTIANTO, L. (1997). English for special purposes convertational approach Telephone. Visipro.
Chicago Style (17th ed.) CitationKRISTIANTO, Lanny. English for Special Purposes Convertational Approach Telephone. Jakarta: Visipro, 1997.
MLA引文KRISTIANTO, Lanny. English for Special Purposes Convertational Approach Telephone. Visipro, 1997.
警告:這些引文格式不一定是100%准確.