Gaya APA

Birkeland, B. (2000). Calculus and Algebra with Mathcad 2000 . Lund, Swedia: Studentlitteratur.

Gaya MLA

Birkeland, Byrge. "Calculus and Algebra with Mathcad 2000". Lund, Swedia: Studentlitteratur, 2000. Text.