Parker, R. G., & Gutierrez, F. C. (1851). Juvenile philosophy, or, Philosophy in familiar conversations: Designed to teach young children to think. A.S. Barnes ; H.W. Derby & Co..
Παραπομπή σε μορφή Chicago (17η εκδ.)Parker, Richard Green, και F. C. Gutierrez. Juvenile Philosophy, or, Philosophy in Familiar Conversations: Designed to Teach Young Children to Think. New York : Cincinnati: A.S. Barnes ; H.W. Derby & Co., 1851.
Παραπομπή σε μορφή MLA (8th εκδ.)Parker, Richard Green, και F. C. Gutierrez. Juvenile Philosophy, or, Philosophy in Familiar Conversations: Designed to Teach Young Children to Think. A.S. Barnes ; H.W. Derby & Co., 1851.
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