APA-referens (7:e uppl.)

Langholm, O. (1992). Economics in the Medieval Schools: By Odd Langholm. Brill.

Chicago-referens (17:e uppl.)

Langholm, Odd. Economics in the Medieval Schools: By Odd Langholm. Leiden [u.a.]: Brill, 1992.

MLA-referens (8:e uppl.)

Langholm, Odd. Economics in the Medieval Schools: By Odd Langholm. Brill, 1992.