Simon, Maron J
Charks Scribner's, 1971
Buku Teks
White, Patrick, 1912-1990
Jonathan Cape, 1981
Buku Teks
Canberra, Australia : Department of Foreign Affairs
Majalah, Jurnal, Buletin
Singh, Kirpal
University Education Press , 1986
Buku Teks
Ifa Avianty
Noura Books, 2012
Buku Teks