Babbie, Earl R.
Thomson/Wadsworth, 2004
Multimedia
Babbie, Earl R.
Thomson/Wadsworth, 2004
Multimedia
Wadsworth/Thomson Learning, 2004
Multimedia
Babbie, Earl, author
Cal. Wodsworth Pub.Co. , 1986
Buku Teks
Babbie, Earl, author
Wadsworth, 1991
Buku Teks