Reynolds, Lloyd G.
Labor economics and labor relations
Prentice-Hall, 1998
 Buku Teks SO
Reynolds, Lloyd G.
Labor economics and labor relation
Prentice-Hall, 1982
 Buku Teks SO
Reynolds, Lloyd G.
Labor economics and labor relations
Prentice-Hall, 1959
 Buku Teks SO
Flanagan, Robert J.
Labor economic and labor relations
Scott, Foresman, 1984
 Buku Teks SO
Coombs, H.C. [Herbert Cole], 1906-
Trial balance
Macmillan, 1981
 Buku Teks SO