Marsh, C. J., & Willis, G. (1995). Curriculum: Alternative approaches, ongoing issues. Merrill.
Chicago Style aipamenaMarsh, Colin J., and George Willis. Curriculum: Alternative Approaches, Ongoing Issues. Englewood Cliffs, N.J.: Merrill, 1995.
MLA aipamenaMarsh, Colin J., and George Willis. Curriculum: Alternative Approaches, Ongoing Issues. Merrill, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.