Dyfyniad APA

Henderson, J. J. e. (1973). The Bowker annual of library and book trade information (18th ed.). R.R.Bawker.

Dyfyniad Arddull Chicago

Henderson, Jeanne J. ed.by. The Bowker Annual of Library and Book Trade Information. 18th ed. New York: R.R.Bawker, 1973.

Dyfyniad MLA

Henderson, Jeanne J. ed.by. The Bowker Annual of Library and Book Trade Information. 18th ed. R.R.Bawker, 1973.

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