Dyfyniad APA

Shapiro, C. (1999). Information Rules. Harvard Business School Press.

Dyfyniad Arddull Chicago

Shapiro, Carl. Information Rules. Boston: Harvard Business School Press, 1999.

Dyfyniad MLA

Shapiro, Carl. Information Rules. Harvard Business School Press, 1999.

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