APA Style
Leonards, G, A.
(1962).
Foundation Engineering / G. A. Leonards
(
1)
.
New York:
McGraw-Hill.
MLA Style
Leonards, G., A..
"Foundation Engineering / G. A. Leonards".
1
New York:
McGraw-Hill,
1962.
Textbook ห้องสมุดทั่วไป.