APA aipamena

Nist-Olejnik, S. (2010). Improving vocabulary skills (4th ed.). Townsend.

Chicago Style aipamena

Nist-Olejnik, Sherrie. Improving Vocabulary Skills. 4th ed. West Berlin, N.J: Townsend, 2010.

MLA aipamena

Nist-Olejnik, Sherrie. Improving Vocabulary Skills. 4th ed. Townsend, 2010.