APA

Hoyle L. H., Dorf D. C. & Jones T. J. A. (1989). Managing conventions and group business. East Lansing, Mich: Educational Institute of the American Hotel & Motel Association.

Chicago

Hoyle Leonard H, Dorf David C and Jones Thomas J A. 1989. Managing conventions and group business. East Lansing, Mich: Educational Institute of the American Hotel & Motel Association.

Harvard

Hoyle L. H., Dorf D. C. and Jones T. J. A. (1989). Managing conventions and group business. East Lansing, Mich: Educational Institute of the American Hotel & Motel Association.

MLA

Hoyle Leonard H, Dorf David C and Jones Thomas J A. Managing conventions and group business. East Lansing, Mich: Educational Institute of the American Hotel & Motel Association. 1989.