Gaya APA
RIVLIN, A, M, [., TIMPANE, P, M, [. (1975).
PLANNED variation in education: .
Washington, D.C.:
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Gaya MLA
RIVLIN, Alice, M.,, [Ed.]., TIMPANE, P., Michael,, [Ed.].
"PLANNED variation in education:".
Washington, D.C.:
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Buku.