Dyfyniad APA

SCOTT PECK. (1990). ROAD LESS TRAVELLED. ARROW BUSINESS.

Dyfyniad Arddull Chicago

SCOTT PECK. ROAD LESS TRAVELLED. NEW ZEALAND: ARROW BUSINESS, 1990.

Dyfyniad MLA

SCOTT PECK. ROAD LESS TRAVELLED. ARROW BUSINESS, 1990.

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