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, 2005
Buku Teks SO