APA Style
English for Secretaries. (1978).
Indonesia:
Elex Media Komputindo.
Chicago Style
English for Secretaries.
1st edition.
Indonesia:
Elex Media Komputindo,
1978.
Text.
MLA Style
English for Secretaries.
1st edition.
Indonesia:
Elex Media Komputindo,
1978.
Text.
Turabian Style
English for Secretaries.
Indonesia:
Elex Media Komputindo,
1978.
Print.