APA (7e ed.) Bronvermelding

Tupikova, I., & Soffel, M. Modelling ancient sundials: Ancient and modern errors / Irina Tupikova. Michael Soffel. Productive errors : scientific concepts in Antiquity.(2012).

Chicago (17e ed.) Bronvermelding

Tupikova, Irina, en Michael Soffel. "Modelling Ancient Sundials: Ancient and Modern Errors / Irina Tupikova. Michael Soffel." Productive Errors : Scientific Concepts in Antiquity.(2012) .

MLA (8e ed.) Bronvermelding

Tupikova, Irina, en Michael Soffel. "Modelling Ancient Sundials: Ancient and Modern Errors / Irina Tupikova. Michael Soffel." Productive Errors : Scientific Concepts in Antiquity.(2012), .