Arp, R., Smith, B., & Spear, A. D. (2015). Building ontologies with basic formal ontology. The MIT Press.
Lua i Stíl Chicago (17ú heag.)Arp, Robert, Barry Smith, agus Andrew D. Spear. Building Ontologies with Basic Formal Ontology. Cambridge, Massachusetts: The MIT Press, 2015.
Lua MLA (9ú heag.)Arp, Robert, et al. Building Ontologies with Basic Formal Ontology. The MIT Press, 2015.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.