Kaplan, Howard B., author
Sage Publications, 1984
Buku Teks
Kaplan, Howard B., author
Sage Publications, 1984
Buku Teks
Kaplan, Howard B., author
Sage Publications, 1984
Buku Teks
Universitas Indonesia, 2014
UI - Skripsi (Membership)
Giallombardo, Rose, author
John Wiley & Sons, 1982
Buku Teks