Westview Press, 1978
Buku Teks
John A. Alic ... [et al.]
Harvard Business Scholl Press, 1992
Buku Teks
Friedrich, Carl J.
Rinehart, 1948
Buku Teks
edited by Suzanne McMahon; Miriam Palm; Pam Dunn
The Haworth Press, Inc., 1991
Buku Teks
edited by Franklin D. Margiotta, James Brown, and Michael J. Collins
Westview Press, 1983
Buku Teks