APA Style
Ph.D., S, L, P, &, M, L, L.
(2009).
Discrete Mathematics
(
Ketiga)
.
USA:
MC GRAW HILL.
MLA Style
Ph.D., Seymour, Lipsschutz,, Ph.D., &, Marc, Lars, Lipson,.
"Discrete Mathematics".
Ketiga
USA:
MC GRAW HILL,
2009.
Text.