Raymond, Thomas Cicchino
Problems in business administration ; analysis by the case method
McGraw-Hill, 1964
 Buku Teks
Kelley, Pearce Clement
Case problems in small business management
Prentice-Hall, 1952
 Buku Teks
Parkhurst, Charles Chandler
Case studies and problems in business communication / Charles Chandler Parkhurst
Prentice-Hall, 1960
 Buku Teks
Kazmier, Leonard J.
Theory and problems of business statistics
McGraw-Hill, 2004
 Buku Teks
McNair, Malcolm P.
Problems in business economics : abridged
McGraw-Hill, 1941
 Buku Teks