Greener, Leslie
The Viking Press , 1962
Buku Teks
edited by Lingfeng Wang
Springer, 2012
eBooks
Gorki, Maxim
T. Werner Laurie, [Date of publication not identified]
Buku Teks
Suzana Imanuel , supervsior
2016
UI - Skripsi (Membership)
Gedes & Grosset, 2001
Buku Referensi