Gaya APA
Elements of Trigonometry. (1968).
Canada:
harcourt Brace & World, Inc.
Gaya Chicago
Elements of Trigonometry.
.
Canada:
harcourt Brace & World, Inc,
1968.
.
Gaya MLA
Elements of Trigonometry.
.
Canada:
harcourt Brace & World, Inc,
1968.
.
Gaya Turabian
Elements of Trigonometry.
Canada:
harcourt Brace & World, Inc,
1968.
.