Dyfyniad APA

(1964). At any cost the story of Graham Roy Orpin / Mertis B. Heimbach. [electronic resource].

Dyfyniad Arddull Chicago

At Any Cost the Story of Graham Roy Orpin / Mertis B. Heimbach. [electronic Resource]. 1964.

Dyfyniad MLA

At Any Cost the Story of Graham Roy Orpin / Mertis B. Heimbach. [electronic Resource]. 1964.

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