Harper & Row, 1965
Buku Teks
xi, 364p,app., ind,25 cm
Buku Teks
edited by Arthur S. Banks, Rebecca T. Granger, Marilyn L. Green
McGraw-Hill, 1976
Buku Teks
Anderson, Benedict R. O`G. (Benedict Richard O`Gorman), 1936-2015, author
Equinox, 2009
Buku Teks
Artikel Jurnal