Penggayaan APA
TRADE directory of Indonesia 1968/69 . (1968).
Jakarta:
KARYA TJOTAS.
Chicago Style
TRADE directory of Indonesia 1968/69 .
Second edition.
Jakarta:
KARYA TJOTAS,
1968.
Buku.
MLA Style
TRADE directory of Indonesia 1968/69 .
Second edition.
Jakarta:
KARYA TJOTAS,
1968.
Buku.
Turabian Style
TRADE directory of Indonesia 1968/69 .
Jakarta:
KARYA TJOTAS,
1968.
Buku.