Penggayaan APA
WIITALA, Stephen. (1987).
Discrete mathematics .
New York:
McGraw-Hill.
Chicago Style
WIITALA, Stephen.
Discrete mathematics.
New York:
McGraw-Hill,
1987.
Buku.
MLA Style
WIITALA, Stephen.
Discrete mathematics.
New York:
McGraw-Hill,
1987.
Buku.
Turabian Style
WIITALA, Stephen.
Discrete mathematics.
New York:
McGraw-Hill,
1987.
Buku.