(1989). Resource Book for Teachers.
Trích dẫn kiểu ChicagoResource Book for Teachers. 1989.
MLA CitationResource Book for Teachers. 1989.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.
(1989). Resource Book for Teachers.
Trích dẫn kiểu ChicagoResource Book for Teachers. 1989.
MLA CitationResource Book for Teachers. 1989.