Dyfyniad APA
Studenmund, A., Gwartney,James D. joint author, & Stroup,Richard L. joint author. (1987). Coursebook to accompany economics: Private and public choice (4th ed.). Harcourt Brace.
Dyfyniad Arddull Chicago
Studenmund, A.H, Gwartney,James D. joint author, and Stroup,Richard L. joint author. Coursebook to Accompany Economics: Private and Public Choice. 4th ed. San Diago: Harcourt Brace, 1987.
Dyfyniad MLA
Studenmund, A.H, et al. Coursebook to Accompany Economics: Private and Public Choice. 4th ed. Harcourt Brace, 1987.
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