(1968). Public enterprise. Penguin.
Tohutoru Kātū Chicago (17th ed.)Public Enterprise. New York: Penguin, 1968.
Tohutoro MLA (9th ed.)Public Enterprise. Penguin, 1968.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.
Tohutoro APA (7th ed.)