Gaya APA
North, F.K.. (1987).
Petroleum Geology (Cet. 1).
London:
Allen &Unwin.
Gaya Chicago
North, F.K..
Petroleum Geology.
Cet. 1
London:
Allen &Unwin,
1987.
Text.
Gaya MLA
North, F.K..
Petroleum Geology.
Cet. 1
London:
Allen &Unwin,
1987.
Text.
Gaya Turabian
North, F.K..
Petroleum Geology.
Cet. 1
London:
Allen &Unwin,
1987.
Print.