Ushinski, K. D., & Piskunov, A. I. (1978). Man as the object of education: An essay in pedagogical anthropology (selected extracts). Progress Publishers.
Chicago-viite (17. p.)Ushinski, K. D., ja A. I. Piskunov. Man as the Object of Education: An Essay in Pedagogical Anthropology (selected Extracts). Moscow: Progress Publishers, 1978.
MLA-viite (9. p.)Ushinski, K. D., ja A. I. Piskunov. Man as the Object of Education: An Essay in Pedagogical Anthropology (selected Extracts). Progress Publishers, 1978.
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