Companion, Audrey L.
ITB Press, 1991
Buku Teks
Scudder, Paul H.
John Wiley & Sons, 1992
Buku Teks
edited by Z.B. Maksic
Springer-Verlag, 1990
Buku Teks
Murrell, John N.
John Wiley & Sons, 1985
Buku Teks
Ashyfa Santosa, author
2018
UI - Skripsi (Membership)