Gaya APA
Maclean, Alistair. (1971).
The last frontier .
London:
Fontana.
Gaya Chicago
Maclean, Alistair.
The last frontier.
London:
Fontana,
1971.
Text.
Gaya MLA
Maclean, Alistair.
The last frontier.
London:
Fontana,
1971.
Text.
Gaya Turabian
Maclean, Alistair.
The last frontier.
London:
Fontana,
1971.
Print.