Egan, John, (1952-)

Relationship marketing / by: Egan, John, (1952-); Harker, Michael. (Language materials, printed)

Public relations : = contemporary issues and techniques / by: Baines, Paul, (1973-); Egan, John, (1952-); Jefkins, Frank William. (Language materials, printed)

關係行銷 / by: 伊根 ((Egan, John, 1952-)); 方世榮; Egan, John, (1952-) (Language materials, printed)