APA Style
Engelson, Harold S. (1981).
Trigonometry .
:
Mc Graww Hil.
Chicago Style
Engelson, Harold S.
Trigonometry.
:
Mc Graww Hil,
1981.
Printed Book.
MLA Style
Engelson, Harold S.
Trigonometry.
:
Mc Graww Hil,
1981.
Printed Book.
Turabian Style
Engelson, Harold S.
Trigonometry.
:
Mc Graww Hil,
1981.
Printed Book.