Richards, M. C. (1989). Centering in pottery, poetry, and the person (2nd ed.). Wesleyan University Press.
Citace podle Chicago (17th ed.)Richards, Mary Caroline. Centering in Pottery, Poetry, and the Person. 2nd ed. Middletown, Conn.: Wesleyan University Press, 1989.
Citace podle MLA (9th ed.)Richards, Mary Caroline. Centering in Pottery, Poetry, and the Person. 2nd ed. Wesleyan University Press, 1989.
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