Bittel, L. R., Ramsey, J. E., & Bittel, M. A. (1985). Encyclopedia of professional management (2nd edition.). Grolier International.
Chicagoスタイル(17版)引用形式Bittel, Lester R., Jackson Eugene Ramsey, , Muriel Albers Bittel. Encyclopedia of Professional Management. 2nd edition. Danbury, Connecticut: Grolier International, 1985.
MLA(9版)引用形式Bittel, Lester R., et al. Encyclopedia of Professional Management. 2nd edition. Grolier International, 1985.
警告: この引用は必ずしも正確ではありません.