Gaya APA
Ballou, Donald H.. (1953).
Plane trigonometry with tables / Donald H. Ballou and Frederick H. Steen (2nd ed.).
:
Boston : Ginn and Company.
Gaya Chicago
Ballou, Donald H..
Plane trigonometry with tables / Donald H. Ballou and Frederick H. Steen.
2nd ed.
:
Boston : Ginn and Company,
1953.
Buku.
Gaya MLA
Ballou, Donald H..
Plane trigonometry with tables / Donald H. Ballou and Frederick H. Steen.
2nd ed.
:
Boston : Ginn and Company,
1953.
Buku.
Gaya Turabian
Ballou, Donald H..
Plane trigonometry with tables / Donald H. Ballou and Frederick H. Steen.
2nd ed.
:
Boston : Ginn and Company,
1953.
Buku.