APA aipamena

Tolba, M. K. (1992). Saving our planet: Challenges and hopes. Chapman & Hall.

Chicago Style aipamena

Tolba, Mostafa Kamal. Saving Our Planet: Challenges and Hopes. London: Chapman & Hall, 1992.

MLA aipamena

Tolba, Mostafa Kamal. Saving Our Planet: Challenges and Hopes. Chapman & Hall, 1992.