Turabian, Kate L.
University of Chicago Press, 1982
Buku Teks
Pugh, Derek S.
Penguin Books, 1971
Buku Teks
Hope, A.D. (Alec Derwent), 1907-2000
Oxford University Press, 1992
Buku Teks
Buscemi, Santi V.
McGraw-Hill , 2002
Buku Teks
Muhammad Tesar Pamungkas
McGraw-Hill, 2002
Buku Teks