APA引文

Villegas, B. M. (1971). Economics of an industry. Center for Research and Communication.

Chicago Style (17th ed.) Citation

Villegas, Bernardo M. Economics of an Industry. [Manila]: Center for Research and Communication, 1971.

MLA引文

Villegas, Bernardo M. Economics of an Industry. Center for Research and Communication, 1971.

警告：這些引文格式不一定是100％准確.