Cofnodi Dyfyniadau

Dyfyniad APA

Đào Ngọc Phong. (2009). Vệ sinh môi trường dịch tễ (Tái bản lần thứ hai có sửa chữa và bổ sung.). H: Y học.

Dyfyniad Arddull Chicago

Đào Ngọc Phong. Vệ Sinh Môi Trường Dịch Tễ. Tái bản lần thứ hai có sửa chữa và bổ sung. H: Y học, 2009.

Dyfyniad MLA

Đào Ngọc Phong. Vệ Sinh Môi Trường Dịch Tễ. Tái bản lần thứ hai có sửa chữa và bổ sung. H: Y học, 2009.

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