Gaya APA
Engelsohn, Harold. (1981).
Trigonometry : A Complete and Concrete Approcah .
New York:
McGraw-Hill.
Gaya Chicago
Engelsohn, Harold.
Trigonometry : A Complete and Concrete Approcah.
New York:
McGraw-Hill,
1981.
Text.
Gaya MLA
Engelsohn, Harold.
Trigonometry : A Complete and Concrete Approcah.
New York:
McGraw-Hill,
1981.
Text.
Gaya Turabian
Engelsohn, Harold.
Trigonometry : A Complete and Concrete Approcah.
New York:
McGraw-Hill,
1981.
Print.