Whitehead, G. (1989). Pitman business correspondence. Binarupa Aksara.
Chicago Style (17th ed.) CitationWhitehead, Geoffrey. Pitman Business Correspondence. Binarupa Aksara, 1989.
MLA (8th ed.) CitationWhitehead, Geoffrey. Pitman Business Correspondence. Binarupa Aksara, 1989.
Warning: These citations may not always be 100% accurate.