McCrea, R. C. (1910). The humane movement: A descriptive survey, prepared on the Henry Bergh foundation for the promotion of humane education in Columbia University. Columbia University Press.
Citace podle Chicago (17th ed.)McCrea, Roswell C. The Humane Movement: A Descriptive Survey, Prepared on the Henry Bergh Foundation for the Promotion of Humane Education in Columbia University. New York: Columbia University Press, 1910.
Citace podle MLA (8th ed.)McCrea, Roswell C. The Humane Movement: A Descriptive Survey, Prepared on the Henry Bergh Foundation for the Promotion of Humane Education in Columbia University. Columbia University Press, 1910.
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