Gaya APA
Sandler, P.L. (1982).
The Petroleum programme : english for the oil industry .
Jakarta:
Gramedia Pustaka Utama.
Gaya Chicago
Sandler, P.L.
The Petroleum programme : english for the oil industry.
Jakarta:
Gramedia Pustaka Utama,
1982.
Buku.
Gaya MLA
Sandler, P.L.
The Petroleum programme : english for the oil industry.
Jakarta:
Gramedia Pustaka Utama,
1982.
Buku.
Gaya Turabian
Sandler, P.L.
The Petroleum programme : english for the oil industry.
Jakarta:
Gramedia Pustaka Utama,
1982.
Buku.