Gaya APA

Pane, Z. (1987). Modern business correspondence : an introduction to the modern theory and practice of writing business letters with elaborate explanations and annotation in Indonesia . Jakarta: Lider Group.

Gaya MLA

Pane, Z.. "Modern business correspondence : an introduction to the modern theory and practice of writing business letters with elaborate explanations and annotation in Indonesia". Jakarta: Lider Group, 1987. Text.