Gaya APA

Handbook Durg Discovery. (2005). New Jersey: John Wiley & Sons Inc.

Gaya Chicago

Handbook Durg Discovery. . New Jersey: John Wiley & Sons Inc, 2005. Text.

Gaya MLA

Handbook Durg Discovery. . New Jersey: John Wiley & Sons Inc, 2005. Text.

Gaya Turabian

Handbook Durg Discovery. New Jersey: John Wiley & Sons Inc, 2005. Print.