APA
Kolman B. B. R. C. &. R. S. C., .Discrete mathematical structures. PHI Learning Private Limited, New Delhi: .
Chicago
Kolman Bernard Busby Robert C & Ross Sharon Cutler, .Discrete mathematical structures. PHI Learning Private Limited, New Delhi: .
Harvard
Kolman B. B. R. C. &. R. S. C., .Discrete mathematical structures. PHI Learning Private Limited, New Delhi: .
MLA
Kolman Bernard Busby Robert C & Ross Sharon Cutler, .PHI Learning Private Limited, New Delhi: . .