Gaya APA

Hamp-Lyons, L. (1989). The Newbury House Toefl Preparation Kit : Preparing for the Test of Written English (1th ed). New York: Newbury House Publishers.

Gaya MLA

Hamp-Lyons, Liz. "The Newbury House Toefl Preparation Kit : Preparing for the Test of Written English". 1th ed New York: Newbury House Publishers, 1989. Monograf.