APA

Cowley D., . (1973). Working with clay and plaster. London - New York: B. T. Batsford, Watson-Guptill Publications.

Chicago

Cowley David, . 1973. Working with clay and plaster. London - New York: B. T. Batsford, Watson-Guptill Publications.

Harvard

Cowley D., . (1973). Working with clay and plaster. London - New York: B. T. Batsford, Watson-Guptill Publications.

MLA

Cowley David, . Working with clay and plaster. London - New York: B. T. Batsford, Watson-Guptill Publications. 1973.