APA ציטוט

Papworth, J., & Egan, E. (1987). The human factor in the global crisis.

Chicago Style (17th ed.) Citation

Papworth, John, and Eileen Egan. The Human Factor in the Global Crisis. 1987.

ציטוט MLA

Papworth, John, and Eileen Egan. The Human Factor in the Global Crisis. 1987.