Cita APA (7th ed.)

Astroff,Milton, & Abbey,James R. (2011). Convention management & services (8.). Waterbury Press.

Cita Chicago (17th ed.)

Astroff,Milton, i Abbey,James R. Convention Management & Services. 8. New Jessey: Waterbury Press, 2011.

Cita MLA (9th ed.)

Astroff,Milton, i Abbey,James R. Convention Management & Services. 8. Waterbury Press, 2011.