Cita APA (7th ed.)

School Mathematics Study Group & Allen, F. B. (1960). Elementary functions: Student's text. Yale University Press.

Cita Chicago (17th ed.)

School Mathematics Study Group i Frank B. Allen. Elementary Functions: Student's Text. New Haven: Yale University Press, 1960.

Cita MLA (9th ed.)

School Mathematics Study Group i Frank B. Allen. Elementary Functions: Student's Text. Yale University Press, 1960.