Hellbrugge, Theodor, author
Pustaka Sinar Harapan , 1989
Buku Teks
Weston, Denise Chapman, author
G.P. Putnam's Sons, 1996
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RR Mindo Poetri Permata, author
2014
UI - Skripsi (Membership)
Singgih D. Gunarsa, author
BPK Gunung Mulia, 2006
Buku Teks
Betty Dwi Kurnianingsih, author
1994
UI - Tesis (Membership)