Gaya APA

Ebest, S, B. et al (2005). Writing from A to Z : the easy-to-use reference handbook (5 -). Boston: Mc Graw Hill.

Gaya MLA

Ebest, Sally, Barr. et al. "Writing from A to Z : the easy-to-use reference handbook". 5 - Boston: Mc Graw Hill, 2005. Text.