APA (7th ed.) Zitazioa
Phillips Jewell Cass. (1971). Essentials of national government (3rd ed.). Van Nostrand Reinhold.
Chicago Style (17th ed.) Zitazioa
Phillips Jewell Cass. Essentials of National Government. 3rd ed. New York: Van Nostrand Reinhold, 1971.
MLA (9th ed.) Zitazioa
Phillips Jewell Cass. Essentials of National Government. 3rd ed. Van Nostrand Reinhold, 1971.
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