APA (7e ed.) Bronvermelding

Gibson, G. A. (1911). An introduction to the calculus based on graphical methods ([1st ed., reprinted with corrections].). Macmillan.

Chicago (17e ed.) Bronvermelding

Gibson, George A. An Introduction to the Calculus Based on Graphical Methods. [1st ed., reprinted with corrections]. London: Macmillan, 1911.

MLA (8e ed.) Bronvermelding

Gibson, George A. An Introduction to the Calculus Based on Graphical Methods. [1st ed., reprinted with corrections]. Macmillan, 1911.