Hoover, G., Campbell, A., Spain, P. Hoover's Handbook. Austin, Texas: Reference Press. Inc., 1990 646 p. 1-878753-00-2.
Hoover, G., Campbell, A., Spain, P. Hoover's Handbook. Austin, Texas: Reference Press. Inc., 1990 646 p. 1-878753-00-2.
Hoover, G., Campbell, A., Spain, P. (1990) Hoover's Handbook, Austin, Texas: Reference Press. Inc. 646 p. 1-878753-00-2.
Hoover, G., Campbell, A., & Spain, P. (1990). Hoover's Handbook. Profiles of over 500 Major Corporations : [Справочник]. Austin, Texas: Reference Press. Inc., 646 p.
Hoover G, Campbell A, Spain P. Hoover's Handbook: Profiles of over 500 Major Corporations : [Справочник]. Austin, Texas: Reference Press. Inc.; 1990. p. 646 p. ISBN: 1-878753-00-2.