APA-referens (7:e uppl.)

Dubé, R. L., & Campbell, F. C. (1999). Natural stonescapes: The art and craft of stone placement. Storey Books.

Chicago-referens (17:e uppl.)

Dubé, Richard L., och Frederick C. Campbell. Natural Stonescapes: The Art and Craft of Stone Placement. Pownal, Vt: Storey Books, 1999.

MLA-referens (9:e uppl.)

Dubé, Richard L., och Frederick C. Campbell. Natural Stonescapes: The Art and Craft of Stone Placement. Storey Books, 1999.