Richards, M. C. (1964). Centering in pottery, poetry, and the person. Wesleyan University.
Cita Chicago (17th ed.)Richards, Mary C. Centering in Pottery, Poetry, and the Person. Middletown: Wesleyan University, 1964.
Cita MLA (9th ed.)Richards, Mary C. Centering in Pottery, Poetry, and the Person. Wesleyan University, 1964.
Atenció: Aquestes cites poden no estar 100% correctes.