Shoemaker, P. J. (1991). Communication concepts 3 Gatekeeping. Sage Pub..
Chicagoスタイル(17版)引用形式Shoemaker, Pamela J. Communication Concepts 3 Gatekeeping. Newbury Park: Sage Pub., 1991.
MLA(9版)引用形式Shoemaker, Pamela J. Communication Concepts 3 Gatekeeping. Sage Pub., 1991.
警告: この引用は必ずしも正確ではありません.