Dyfyniad APA

Current Health 2 (Teacher's Edition). Weekly Reader Corporation.

Dyfyniad Arddull Chicago

Current Health 2 (Teacher's Edition). Weekly Reader Corporation.

Dyfyniad MLA

Current Health 2 (Teacher's Edition). Weekly Reader Corporation.

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