edited by Louise P. Gallagher, Maryhelen Cole Kreidler
Appleton & Lange, 1987
Buku Teks
Gardner, Mary Sewall
Macmillan, 1963
Buku Teks
edited by Greta Thornbory
Wiley Blackwell, 2009
Buku Teks
Rogers, Peter
FA. Davis, 1977
Buku Teks
Freeman, Ruth B.
W.B. Saunders , 1969
Buku Teks