APA

Selby S. M., Sweet L., . (1963). Sets, relations, functions. New York: McGraw-Hill.

Chicago

Selby Samuel M, Sweet Leonard, . 1963. Sets, relations, functions. New York: McGraw-Hill.

Harvard

Selby S. M., Sweet L., . (1963). Sets, relations, functions. New York: McGraw-Hill.

MLA

Selby Samuel M, Sweet Leonard, . Sets, relations, functions. New York: McGraw-Hill. 1963.