Chen, P. S. (1959). Syntans and newer methods of tanning. Massachussetts: The Chemical Elements.
Citación estilo ChicagoChen, Philip S. Syntans and Newer Methods of Tanning. Massachussetts: The Chemical Elements, 1959.
Cita MLAChen, Philip S. Syntans and Newer Methods of Tanning. Massachussetts: The Chemical Elements, 1959.
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