Hasan bin Muhammad Ali. (1985). Panduan Menulis Surat Cara Moden. Times Books International.
Chicago Style (17th ed.) CitationHasan bin Muhammad Ali. Panduan Menulis Surat Cara Moden. Singapore: Times Books International, 1985.
MLA (8th ed.) CitationHasan bin Muhammad Ali. Panduan Menulis Surat Cara Moden. Times Books International, 1985.
Warning: These citations may not always be 100% accurate.