Good, C. V. (1972). Essentials of educational research: Methodology and design (2nd ed.). Appleton-Century-Crofts.
Παραπομπή σε μορφή Chicago (17η εκδ.)Good, Carter Victor. Essentials of Educational Research: Methodology and Design. 2nd ed. New York: Appleton-Century-Crofts, 1972.
Παραπομπή σε μορφή MLA (9th εκδ.)Good, Carter Victor. Essentials of Educational Research: Methodology and Design. 2nd ed. Appleton-Century-Crofts, 1972.
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