Dyfyniad APA

ZIS GEORGE. (1988). INTERNATIONAL ECONOMICS: SURVEY`S IN ECONOMICS. LONGMAN GROUP.

Dyfyniad Arddull Chicago

ZIS GEORGE. INTERNATIONAL ECONOMICS: SURVEY`S IN ECONOMICS. LONDON & NEW YORK: LONGMAN GROUP, 1988.

Dyfyniad MLA

ZIS GEORGE. INTERNATIONAL ECONOMICS: SURVEY`S IN ECONOMICS. LONGMAN GROUP, 1988.

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