Wilson, E. B. (1952). An introduction to scientific research. New York: McGraw-Hill Book Company.
Παραπομπή Chicago StyleWilson, E. Bright. An Introduction to Scientific Research. New York: McGraw-Hill Book Company, 1952.
Παραπομπή MLAWilson, E. Bright. An Introduction to Scientific Research. New York: McGraw-Hill Book Company, 1952.
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