Truett, L. J. (1982). Economics. West.
Tohutoru Kātū Chicago (17th ed.)Truett, Lila J. Economics. St. Paul Minn: West, 1982.
Tohutoro MLA (9th ed.)Truett, Lila J. Economics. West, 1982.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.
Tohutoro APA (7th ed.)