APA (7. basım) Alıntı

Ferguson, N., & O'Reilly, M. English by objectives. Student's Book. Units 6-10.

Chicago Style (17. basım) Atıf

Ferguson, Nicolas, ve Máire O'Reilly. English by Objectives. Student's Book. Units 6-10.

MLA (8th ed.) Atıf

Ferguson, Nicolas, ve Máire O'Reilly. English by Objectives. Student's Book. Units 6-10.