Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.