Gaya APA

Tillery, Bill W.. (2012). Physical Science (Ninth Edition) (9). : McGraw - Hill.

Gaya Chicago

Tillery, Bill W.. Physical Science (Ninth Edition). 9 : McGraw - Hill, 2012. Text.

Gaya MLA

Tillery, Bill W.. Physical Science (Ninth Edition). 9 : McGraw - Hill, 2012. Text.

Gaya Turabian

Tillery, Bill W.. Physical Science (Ninth Edition). 9 : McGraw - Hill, 2012. Print.