Dyfyniad APA

Barnes M P & Simon J L. (1969). Patterns in the use of books in large research libraries. University of Chicago Press.

Dyfyniad Arddull Chicago

Barnes M P and Simon J L. Patterns in the Use of Books in Large Research Libraries. Chicago: University of Chicago Press, 1969.

Dyfyniad MLA

Barnes M P and Simon J L. Patterns in the Use of Books in Large Research Libraries. University of Chicago Press, 1969.

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