Tugby, Donald John
University of Queensland Press , 1977
Buku Teks
Sihombing, T. M.
Balai Pustaka, 1986
Buku Teks SO
Muhammad, Wan Ramli Wan, author
KeKKWa, 2006
Buku Teks
Tan, Giok-Lan, author
Cornell University, 1963
Buku Teks
Miller, James A.
Westview Press, 1984
Buku Teks