APA Style

National Geographic World Windows Lv 3 : Magnets. (2012). Usa: Heinle Cengage Learning.

Chicago Style

National Geographic World Windows Lv 3 : Magnets. 1. Usa: Heinle Cengage Learning, 2012. Printed Book.

MLA Style

National Geographic World Windows Lv 3 : Magnets. 1. Usa: Heinle Cengage Learning, 2012. Printed Book.

Turabian Style

National Geographic World Windows Lv 3 : Magnets. Usa: Heinle Cengage Learning, 2012. Printed Book.