Gaya APA

Swartz, T, R. (1990). Taking sides: clashing views on controversial economic issues (5th ed.). Guilford, Connecticut: The Dushkin Publishing Group, Inc..

Gaya MLA

Swartz, Thomas, R.. "Taking sides: clashing views on controversial economic issues". 5th ed. Guilford, Connecticut: The Dushkin Publishing Group, Inc., 1990. Text.