APA

Collins Heidi,, . (2001). Corporate portals : Revolutionizing information access to increase productivity and drive the bottom line. New York: AMACOM.

Chicago

Collins Heidi,, . 2001. Corporate portals : Revolutionizing information access to increase productivity and drive the bottom line. New York: AMACOM.

Harvard

Collins Heidi,, . (2001). Corporate portals : Revolutionizing information access to increase productivity and drive the bottom line. New York: AMACOM.

MLA

Collins Heidi,, . Corporate portals : Revolutionizing information access to increase productivity and drive the bottom line. New York: AMACOM. 2001.