Cita APA

Wal, C. R., & Wall, B. M. (1974). Pre-calculus mathematics: An introduction.

Chicago Edition Citation

Wal, Chares R., i Basil M. Wall. Pre-calculus Mathematics: An Introduction. Columbus, Charles E Merril, 1974.

Cita MLA

Wal, Chares R., i Basil M. Wall. Pre-calculus Mathematics: An Introduction. 1974.