Παραπομπή APA

Brown, L. (2005). Plan B 2 .0: Rescuing a planet under stress and a civilization in trouble. Orient Longman.

Παραπομπή Chicago Style

Brown, Lester.R. Plan B 2 .0: Rescuing a Planet Under Stress and a Civilization in Trouble. Hyderabad: Orient Longman, 2005.

Παραπομπή MLA

Brown, Lester.R. Plan B 2 .0: Rescuing a Planet Under Stress and a Civilization in Trouble. Orient Longman, 2005.