(1973). Mainline - progress A, Student's book.
Trích dẫn kiểu ChicagoMainline - Progress A, Student's Book. 1973.
MLA CitationMainline - Progress A, Student's Book. 1973.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.
(1973). Mainline - progress A, Student's book.
Trích dẫn kiểu ChicagoMainline - Progress A, Student's Book. 1973.
MLA CitationMainline - Progress A, Student's Book. 1973.