Gaya APA
Lipschutz, S. (1981).
Theory and Problems of Set Theory and Related Topics .
Singapore:
New York: Schaums Outline; 1981.
Gaya MLA
Lipschutz, Seymour.
"Theory and Problems of Set Theory and Related Topics".
Singapore:
New York: Schaums Outline; 1981,
1981.
Text.