APA aipamena

Awdry, W., & Courtney, R. (2012). Secret of the green engine. Random House.

Chicago Style aipamena

Awdry, W., and Richard Courtney. Secret of the Green Engine. New York: Random House, 2012.

MLA aipamena

Awdry, W., and Richard Courtney. Secret of the Green Engine. Random House, 2012.