edited by L.G. Whitby and Walter Lutz
Churchill Livingstone, 1971
Buku Referensi
by James J. Nora [and others]
[publisher not identified], [date of publication not identified]
Buku Teks
James J. Nora [and others]
Lea & Febiger , 1993
Buku Teks
James J. Nora [and others]
Lea & Febiger , 1994
Buku Teks
Polaski, Arlene L., author
W.B. Saunders , 1996
Buku Teks