APA aipamena

Maidment St. Stella & Roberts L. Lorena. (2010). Happy Street 1: Activity Book. New York, Oxford University Press, 2010.

Chicago Style aipamena

Maidment St. Stella and Roberts L. Lorena. Happy Street 1: Activity Book. New York, Oxford University Press, 2010, 2010.

MLA aipamena

Maidment St. Stella and Roberts L. Lorena. Happy Street 1: Activity Book. New York, Oxford University Press, 2010, 2010.