Gaya APA

Lewis, Ricki (et.al). (2004). Life (5th.Ed). New York: Mc Graww Hill.

Gaya Chicago

Lewis, Ricki (et.al). Life. 5th.Ed New York: Mc Graww Hill, 2004. Text.

Gaya MLA

Lewis, Ricki (et.al). Life. 5th.Ed New York: Mc Graww Hill, 2004. Text.

Gaya Turabian

Lewis, Ricki (et.al). Life. 5th.Ed New York: Mc Graww Hill, 2004. Print.