APA (7. basım) Alıntı

Coombs, P. H. (1969). The world educational crissis; a systems analysis. Oxford University Press.

Chicago Style (17. basım) Atıf

Coombs, Philip Hall. The World Educational Crissis; a Systems Analysis. New York: Oxford University Press, 1969.

MLA (9th ed.) Atıf

Coombs, Philip Hall. The World Educational Crissis; a Systems Analysis. Oxford University Press, 1969.