IBRAHIM Ismail. (1992). Kaedah baru menulis surat rasmi dan surat perniagaan. Golden Books Centre.
Chicago Style (17th ed.) CitationIBRAHIM Ismail. Kaedah Baru Menulis Surat Rasmi Dan Surat Perniagaan. Kuala Lumpur: Golden Books Centre, 1992.
MLA (9th ed.) CitationIBRAHIM Ismail. Kaedah Baru Menulis Surat Rasmi Dan Surat Perniagaan. Golden Books Centre, 1992.
Warning: These citations may not always be 100% accurate.