Dyfyniad APA

 Johannes, A. W. (2007).  Design and development of biological, chemical, food and pharmaceutical products.  John Wiley.

Dyfyniad Arddull Chicago

 Johannes, A. Wesselingh.  Design and Development of Biological, Chemical, Food and Pharmaceutical Products.  John Wiley, 2007.

Dyfyniad MLA

 Johannes, A. Wesselingh.  Design and Development of Biological, Chemical, Food and Pharmaceutical Products.  John Wiley, 2007.

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