Maxwell, J. C. (1989). Be a people person. Victor Books; Magna Publishing Co..
Lua i Stíl Chicago (17ú heag.)Maxwell, John C. Be a People Person. Wheaton, IL ; Mumbai,India: Victor Books; Magna Publishing Co., 1989.
Lua MLA (8ú heag.)Maxwell, John C. Be a People Person. Victor Books; Magna Publishing Co., 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.