APA

Apple G., Eisele C. Y., Hsieh R. & Sun D. (1997). Mr.Bugʼs Phonics1. New York, USA: Oxford university press.

Chicago

Apple Gary, Eisele Catherine Yang, Hsieh Richmond and Sun Dina. 1997. Mr.Bugʼs Phonics1. New York, USA: Oxford university press.

Harvard

Apple G., Eisele C. Y., Hsieh R. and Sun D. (1997). Mr.Bugʼs Phonics1. New York, USA: Oxford university press.

MLA

Apple Gary, Eisele Catherine Yang, Hsieh Richmond and Sun Dina. Mr.Bugʼs Phonics1. New York, USA: Oxford university press. 1997.