by Catherine Bauer ... [et al.] ; edited by Coleman Woddbury
University of Chicago Press, 1953
Buku Teks
Gosling, David, author
Academy Editions, 1996
Buku Teks
Banz, George
McGraw-Hill, [1970]
Buku Teks
Gallion, Arthur B., author
D. Van Nostrand, 1963
Buku Teks
Artikel Jurnal