Lassus, B., Jacobs, P., & Riley, R. B. (1998). The Landscape Approach: Bernard Lassus. Introductions by Peter Jacobs and Robert B. Riley. Univ. of Pennsylvania Press.
Chicago-referens (17:e uppl.)Lassus, Bernard, Peter Jacobs, och Robert B. Riley. The Landscape Approach: Bernard Lassus. Introductions by Peter Jacobs and Robert B. Riley. Philadelphia: Univ. of Pennsylvania Press, 1998.
MLA-referens (8:e uppl.)Lassus, Bernard, et al. The Landscape Approach: Bernard Lassus. Introductions by Peter Jacobs and Robert B. Riley. Univ. of Pennsylvania Press, 1998.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.