Gaya APA
Westburg, Barry. (1988).
Wingwalking .
London:
Angus and Robertson.
Gaya Chicago
Westburg, Barry.
Wingwalking.
London:
Angus and Robertson,
1988.
Text.
Gaya MLA
Westburg, Barry.
Wingwalking.
London:
Angus and Robertson,
1988.
Text.
Gaya Turabian
Westburg, Barry.
Wingwalking.
London:
Angus and Robertson,
1988.
Print.