APA-referens (7:e uppl.)

Caeiro. (2013). Sustainability Assessment Tools in Higher Education Institutions (1.). Springer International Publishing.

Chicago-referens (17:e uppl.)

Caeiro. Sustainability Assessment Tools in Higher Education Institutions. 1. Springer International Publishing, 2013.

MLA-referens (8:e uppl.)

Caeiro. Sustainability Assessment Tools in Higher Education Institutions. 1. Springer International Publishing, 2013.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.