APA استشهاد

Baker, B., & Friedelbaum, S. H. (1968). Government in the United States. Houghton Miffin.

استشهاد بنمط شيكاغو

Baker, Benjamin, و Stanley H. Friedelbaum. Government in the United States. Boston: Houghton Miffin, 1968.

MLA استشهاد

Baker, Benjamin, و Stanley H. Friedelbaum. Government in the United States. Houghton Miffin, 1968.