Lua APA (7ú heag.)

Leffingwell, A. (1914). An ethical problem: Or, Sidelights upon scientific experimentation on man and animals. G. Bell and Sons; C.P. Farrell.

Lua i Stíl Chicago (17ú heag.)

Leffingwell, Albert. An Ethical Problem: Or, Sidelights upon Scientific Experimentation on Man and Animals. London, New York: G. Bell and Sons; C.P. Farrell, 1914.

Lua MLA (8ú heag.)

Leffingwell, Albert. An Ethical Problem: Or, Sidelights upon Scientific Experimentation on Man and Animals. G. Bell and Sons; C.P. Farrell, 1914.

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