APA (7. basım) Alıntı

(1977). Building English skills: Blue level. Skills practice book. McDougal, Littell & Company.

Chicago Style (17. basım) Atıf

Building English Skills: Blue Level. Skills Practice Book. Evanston, Illinois, USA: McDougal, Littell & Company, 1977.

MLA (9th ed.) Atıf

Building English Skills: Blue Level. Skills Practice Book. McDougal, Littell & Company, 1977.