Underhill, Nic, author
Cambridge University Press, 1993
Buku Teks
Rahayu Surtiati Hidayat, author
Intermasa, 1990
Buku Teks
Triana Mutia Riny, author
2013
UI - Tesis (Membership)
Valette, Rebecca M., author
Harcourt, Brace & World, 1967
Buku Teks
Andryano, author
2019
UI - Skripsi (Membership)