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