Gaya APA

Cyssco, D, R. (2005). English Conversation and Correspondence for Secretaries (Ed.Revisi, Cet. 12). Depok: Puspa Swara.

Gaya MLA

Cyssco, Dhanny, R.. "English Conversation and Correspondence for Secretaries". Ed.Revisi, Cet. 12 Depok: Puspa Swara, 2005. Text.