Gaya APA

Callahan, J, F., Clark, L, H. (1977). Innovations and Issues in Education: Planning for Competence . Third Avenue: Macmillan Publishing.

Gaya MLA

Callahan, Joseph, F.., Clark, Leonard, H.. "Innovations and Issues in Education: Planning for Competence". Third Avenue: Macmillan Publishing, 1977. Art Original.