APA (7e ed.) Bronvermelding

Tuulmets, T. (1991). The perception of visual numerosity. Department of Psychology, University of Umeå.

Chicago (17e ed.) Bronvermelding

Tuulmets, Tiia. The Perception of Visual Numerosity. Umeå: Department of Psychology, University of Umeå, 1991.

MLA (8e ed.) Bronvermelding

Tuulmets, Tiia. The Perception of Visual Numerosity. Department of Psychology, University of Umeå, 1991.