Gianakaris, C.J.
Houghton Miffiln, 1975
Buku Teks
Coldewey, John C.
Prentice-Hall, 2001
Buku Referensi
Faiza Mardzoeki
DJB, Penerbit Djaman Baroe, 2016
Buku Teks
Situmorang, Sitor, 1923-2014
Pustaka Rakyat,
Koleksi Publik
Shapcott, Thomas William, 1935-
University of Queensland Press, 1972
Koleksi Publik