White, Patrick, 1971-
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Buku Teks
Judd, Charles M.
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Buku Teks
Babbie, Earl R.
Cengage Learning, 2016
Buku Teks
Lee, Raymond M.
Open University Press, 2000
Buku Teks
Babbie, Earl R.
Wadsworth and Cengage Learning, 2013 (International edition)
Buku Teks