Dyfyniad APA

(1986). Crossing Boundaries Heath American Readers Mildred Bailey ...[et. Al]. D>C> Health and Company.

Dyfyniad Arddull Chicago

Crossing Boundaries Heath American Readers Mildred Bailey ...[et. Al]. D>C> Health and Company, 1986.

Dyfyniad MLA

Crossing Boundaries Heath American Readers Mildred Bailey ...[et. Al]. D>C> Health and Company, 1986.

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