Gross, B., & Gross, R. (1974). Will it grow in a classroom. Dell Publishing.
Lua i Stíl Chicago (17ú heag.)Gross, Beatrice, agus Ronald Gross. Will It Grow in a Classroom. New York: Dell Publishing, 1974.
Lua MLA (9ú heag.)Gross, Beatrice, agus Ronald Gross. Will It Grow in a Classroom. Dell Publishing, 1974.
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