Harsja W. Bachtiar, 1934-
[publisher not identified], [date of publication not identified]
Buku Teks
[T.t.] [t.p.] [t.th.]
UI - Makalah dan Kertas Kerja
edited by N. Roberts
Butterworth, 1977
Buku Teks SO
Stebbins, Robert A.
Sage, 2001
Buku Teks SO
edited, Bridget Somekh, Cathy Lewin
Sage Publications , 2005
Buku Teks SO