APA-referens (7:e uppl.)

Collins, A. H. (1913). Symbolism of animals and birds represented in English church architecture. Sir Isaac Pitman & Sons.

Chicago-referens (17:e uppl.)

Collins, Arthur H. Symbolism of Animals and Birds Represented in English Church Architecture. London: Sir Isaac Pitman & Sons, 1913.

MLA-referens (8:e uppl.)

Collins, Arthur H. Symbolism of Animals and Birds Represented in English Church Architecture. Sir Isaac Pitman & Sons, 1913.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.