Lua APA (7ú heag.)

Chen, P. S. (1950). Syntans and newer methods of tanning. The Chemical Elements.

Lua i Stíl Chicago (17ú heag.)

Chen, Philip Stanley. Syntans and Newer Methods of Tanning. South Lancaster, MA: The Chemical Elements, 1950.

Lua MLA (9ú heag.)

Chen, Philip Stanley. Syntans and Newer Methods of Tanning. The Chemical Elements, 1950.

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