Gaya APA

Raven, Peter H., Johnson, George B.. (2002). Biology (6). Avenue, New York: Mc Graw Hill.

Gaya Chicago

Raven, Peter H., Johnson, George B.. Biology. 6 Avenue, New York: Mc Graw Hill, 2002. Text.

Gaya MLA

Raven, Peter H., Johnson, George B.. Biology. 6 Avenue, New York: Mc Graw Hill, 2002. Text.

Gaya Turabian

Raven, Peter H., Johnson, George B.. Biology. 6 Avenue, New York: Mc Graw Hill, 2002. Print.