Tohutoro APA (7th ed.)

Walling, D. R. (1995). At the threshold of the millenium. Phi Delta Kappa Educational Foundation.

Tohutoru Kātū Chicago (17th ed.)

Walling, Donovan R. At the Threshold of the Millenium. Indiana: Phi Delta Kappa Educational Foundation, 1995.

Tohutoro MLA (9th ed.)

Walling, Donovan R. At the Threshold of the Millenium. Phi Delta Kappa Educational Foundation, 1995.