Foster, A. G. (1990). Merrill algebra one. Merrill.
Chicago Style (17th ed.) ZitazioaFoster, Alan G. Merrill Algebra One. Ohio: Merrill, 1990.
MLA (9th ed.) ZitazioaFoster, Alan G. Merrill Algebra One. Merrill, 1990.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.