(1976). Understanding economics (2nd ed.). Ginn.
Tohutoru Kātū Chicago (17th ed.)Understanding Economics. 2nd ed. Aylesbury: Ginn, 1976.
Tohutoro MLA (9th ed.)Understanding Economics. 2nd ed. Ginn, 1976.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.