APA (7. basım) Alıntı

Hopper, E. (1971). Readings in the theory of educational systems. Hutchinson.

Chicago Style (17. basım) Atıf

Hopper, Earl. Readings in the Theory of Educational Systems. London: Hutchinson, 1971.

MLA (9th ed.) Atıf

Hopper, Earl. Readings in the Theory of Educational Systems. Hutchinson, 1971.