Gaya APA
Hardjono, J.. (1971).
Indonesia, land and people (Cet. 1).
Jakarta:
Gunung agung.
Gaya Chicago
Hardjono, J..
Indonesia, land and people.
Cet. 1
Jakarta:
Gunung agung,
1971.
Text.
Gaya MLA
Hardjono, J..
Indonesia, land and people.
Cet. 1
Jakarta:
Gunung agung,
1971.
Text.
Gaya Turabian
Hardjono, J..
Indonesia, land and people.
Cet. 1
Jakarta:
Gunung agung,
1971.
Print.