Mokhtar Tohar. (2011). Amalan protokol & etiket. Serdang: Universiti Putra Malaysia.
Chicago Style CitationMokhtar Tohar. Amalan Protokol & Etiket. Serdang: Universiti Putra Malaysia, 2011.
MLA CitationMokhtar Tohar. Amalan Protokol & Etiket. Serdang: Universiti Putra Malaysia, 2011.
Warning: These citations may not always be 100% accurate.