APA aipamena

HARLOW, R. A. M. (1999). YOUNG DISCOVERERS ENERGY AND POWER ENVIRONMENTAL FACTS AND EXPERIMENTS.

Chicago Style aipamena

HARLOW, ROSIE AND MORGAN. YOUNG DISCOVERERS ENERGY AND POWER ENVIRONMENTAL FACTS AND EXPERIMENTS. 1999.

MLA aipamena

HARLOW, ROSIE AND MORGAN. YOUNG DISCOVERERS ENERGY AND POWER ENVIRONMENTAL FACTS AND EXPERIMENTS. 1999.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.