Gaya APA
LEY, Willy. (1984).
KUTUB : Pustaka Alam Life .
Jakarta:
Tira Pustaka.
Gaya Chicago
LEY, Willy.
KUTUB : Pustaka Alam Life.
Jakarta:
Tira Pustaka,
1984.
REFERENSI.
Gaya MLA
LEY, Willy.
KUTUB : Pustaka Alam Life.
Jakarta:
Tira Pustaka,
1984.
REFERENSI.
Gaya Turabian
LEY, Willy.
KUTUB : Pustaka Alam Life.
Jakarta:
Tira Pustaka,
1984.
REFERENSI.