Richards, M. C. (1964). Centering in pottery, poetry, and the person. Wesleyan University.
Čikaški stil citiranja (17. izdanje)Richards, Mary C. Centering in Pottery, Poetry, and the Person. Middletown: Wesleyan University, 1964.
MLA način citiranja (9. izdanje)Richards, Mary C. Centering in Pottery, Poetry, and the Person. Wesleyan University, 1964.
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