Maxell, Robert L.
Maxwell's guide to authority work / Robert L. Maxwell
American Library Association, 2002
 Buku Referensi
Ronner, Heinz
Louis I. Kahn : complete work, 1935-1974 / Heinz Ronner, Sharad Jhaveri
Birkauser , 1987
 Buku Teks
Veninga, Robert L.
The human side of health administration : a guide for hospital, nursing and public health administrators/ Robert L. Veninga
Prentice Hall Inc., 1982
 Buku Teks
Crouch, Robert L.
Macroeconomics / Robert L. Crouch
Harcourt Brace Jovanovich , 1972
 Buku Teks
Psychosocial factors at work and their relation to health / edited Raijo Kalimo; Mostafa A. El-Batawai; Cary L. Cooper
WHO , 1987
 Buku Teks
the Handbook of work and health psychology,2nd ed. / edited Marc J. Schabracq; Jacques A.M. Winnubst; Cary L. Cooper
John Wiley and Sons, 2003
 Buku Teks