Dyfyniad APA

(1978). Pittsburgh post-gazette. William Block and Paul Block, Jr..

Dyfyniad Arddull Chicago

Pittsburgh Post-gazette. [Pittsburgh, Pa.]: William Block and Paul Block, Jr., 1978.

Dyfyniad MLA

Pittsburgh Post-gazette. William Block and Paul Block, Jr., 1978.

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