APA

ward g. w. . r., . (200). THE GROVE ENCYCLOPEDIA OF Materials and Techniques in Art. : OXFORD.

Chicago

ward gerald w r, . 200. THE GROVE ENCYCLOPEDIA OF Materials and Techniques in Art. : OXFORD.

Harvard

ward g. w. . r., . (200). THE GROVE ENCYCLOPEDIA OF Materials and Techniques in Art. : OXFORD.

MLA

ward gerald w r, . THE GROVE ENCYCLOPEDIA OF Materials and Techniques in Art. : OXFORD. 200.