APA引文

HALFF, G., & GREGORY, A. (2015). What is public relations to society? Toward an economically informed understanding of public relations. Institutional Knowledge at Singapore Management University.

Chicago Style Citation

HALFF, Gregor,, and Anne GREGORY. What Is Public Relations to Society? Toward an Economically Informed Understanding of Public Relations. Institutional Knowledge at Singapore Management University, 2015.

MLA引文

HALFF, Gregor,, and Anne GREGORY. What Is Public Relations to Society? Toward an Economically Informed Understanding of Public Relations. Institutional Knowledge at Singapore Management University, 2015.

警告:這些引文格式不一定是100%准確.