Dyfyniad APA

Heller, J., & Jacobson, H. (2011). Catch-22 (50th Anniversary edition.). Vintage.

Dyfyniad Arddull Chicago

Heller, Joseph, and Howard Jacobson. Catch-22. 50th Anniversary edition. London: Vintage, 2011.

Dyfyniad MLA

Heller, Joseph, and Howard Jacobson. Catch-22. 50th Anniversary edition. Vintage, 2011.

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