Dyfyniad APA

(1979). Literary market place with names and numbers: The directory of American Book Publishing. R. R. Bowler.

Dyfyniad Arddull Chicago

Literary Market Place with Names and Numbers: The Directory of American Book Publishing. New York: R. R. Bowler, 1979.

Dyfyniad MLA

Literary Market Place with Names and Numbers: The Directory of American Book Publishing. R. R. Bowler, 1979.

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