Martin, R. S., & Miller, R. G. (1966). Prologue to economic understanding. C. E. Merrill Books.
Cita Chicago (17th ed.)Martin, Richard S., i Reuben G. Miller. Prologue to Economic Understanding. Columbus, OH: C. E. Merrill Books, 1966.
Cita MLA (9th ed.)Martin, Richard S., i Reuben G. Miller. Prologue to Economic Understanding. C. E. Merrill Books, 1966.
Atenció: Aquestes cites poden no estar 100% correctes.