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Gaya APA
Spherical Trigonometry. (1942).
New York:
Appleton Century Crofts, INC..
Gaya Chicago
Spherical Trigonometry.
.
New York:
Appleton Century Crofts, INC.,
1942.
Text.
Gaya MLA
Spherical Trigonometry.
.
New York:
Appleton Century Crofts, INC.,
1942.
Text.
Gaya Turabian
Spherical Trigonometry.
New York:
Appleton Century Crofts, INC.,
1942.
Print.