Amrine, Harold T., author
Prentice-Hall, 1975
Buku Teks
by Harold T. Amrine [and others]
Prentice-Hall, 1993
Buku Teks
Munsterberg, Hugo, 1916-1995, author
Floating Press, 2009
Buku Teks
Robinson, Webster, author
McGraw-Hill, 1925
Buku Teks
Knowles, Asa S., author
Macmillan, 1946
Buku Teks