Magnus, W., & Winkler, S. (1966). Hill's equation. Interscience Pub.
Chicago Style aipamenaMagnus, Wilhelm, and Stanley Winkler. Hill's Equation. New York: Interscience Pub, 1966.
MLA aipamenaMagnus, Wilhelm, and Stanley Winkler. Hill's Equation. Interscience Pub, 1966.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.