Gaya APA
Christian, Robert R.. (1965).
A Brief Trigonometry .
London:
Blaisdell.
Gaya Chicago
Christian, Robert R..
A Brief Trigonometry.
London:
Blaisdell,
1965.
Text.
Gaya MLA
Christian, Robert R..
A Brief Trigonometry.
London:
Blaisdell,
1965.
Text.
Gaya Turabian
Christian, Robert R..
A Brief Trigonometry.
London:
Blaisdell,
1965.
Print.