APA (7th ed.) Zitazioa

Bell, D. J., & Jacobson, D. H. (1975). Singular optimal control problems. Academic Press.

Chicago Style (17th ed.) Zitazioa

Bell, David J., eta David H. Jacobson. Singular Optimal Control Problems. Londres: Academic Press, 1975.

MLA (9th ed.) Zitazioa

Bell, David J., eta David H. Jacobson. Singular Optimal Control Problems. Academic Press, 1975.