Baxter, P. M. (1995). Social science reference services. New York: Haworth Press.
Dyfyniad Arddull ChicagoBaxter, Pam M. Social Science Reference Services. New York: Haworth Press, 1995.
Dyfyniad MLABaxter, Pam M. Social Science Reference Services. New York: Haworth Press, 1995.
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