Astroff,Milton, & Abbey,James R. (2011). Convention management & services (8.). Waterbury Press.
Chicagoスタイル(17版)引用形式Astroff,Milton, , Abbey,James R. Convention Management & Services. 8. New Jessey: Waterbury Press, 2011.
MLA(9版)引用形式Astroff,Milton, , Abbey,James R. Convention Management & Services. 8. Waterbury Press, 2011.
警告: この引用は必ずしも正確ではありません.