(1966). Economics. Harper & Row.
Tohutoru Kātū Chicago (17th ed.)Economics. New York: Harper & Row, 1966.
Tohutoro MLA (9th ed.)Economics. Harper & Row, 1966.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.
(1966). Economics. Harper & Row.
Tohutoru Kātū Chicago (17th ed.)Economics. New York: Harper & Row, 1966.
Tohutoro MLA (9th ed.)Economics. Harper & Row, 1966.