APA-Zitierstil (7. Ausg.)

Energy and Man's Environment. Conservation of energy: Idea and activity guide. Energy and Man's Environment.

Chicago-Zitierstil (17. Ausg.)

Energy and Man's Environment. Conservation of Energy: Idea and Activity Guide. Portland, OR: Energy and Man's Environment.

MLA-Zitierstil (9. Ausg.)

Energy and Man's Environment. Conservation of Energy: Idea and Activity Guide. Energy and Man's Environment.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.