APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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

警告：這些引文格式不一定是100％准確.