APA

Lipschutz S. L. M. L., . (1992). 2000 solved problems in discrete mathematics. : McGraw-Hill book Co, Inc, NewYork.

Chicago

Lipschutz Seymour Lipson Marc Lars, . 1992. 2000 solved problems in discrete mathematics. : McGraw-Hill book Co, Inc, NewYork.

Harvard

Lipschutz S. L. M. L., . (1992). 2000 solved problems in discrete mathematics. : McGraw-Hill book Co, Inc, NewYork.

MLA

Lipschutz Seymour Lipson Marc Lars, . 2000 solved problems in discrete mathematics. : McGraw-Hill book Co, Inc, NewYork. 1992.