edited by Joanne E. Hall, Barbara R. Weaver
J.B. Lippincott , 1977
Buku Teks SO
Atkinson, Leslie D.
Macmillan, 1985
Buku Teks SO
Chapin, Ned
Van Nostrand Reinhold , 1971
Buku Teks SO
Hare, Van Court
Harcourt, Brace and World, 1967
Buku Teks SO
Arrigo, Bruce A.
Pearson/Prentice Hall, 2006
Buku Teks