Gaya APA

HILL, M, G, -. et al (2009). THE SUN AND ITS FAMILY . New York: Macmillan/Mc Graw Hill School Publishing Company.

Gaya MLA

HILL, Mc, GRAW, -. et al. "THE SUN AND ITS FAMILY". New York: Macmillan/Mc Graw Hill School Publishing Company, 2009. Text.