Cita APA (7th ed.)
Helland, I. S. (2010). Steps towards a unified basis for scientific models and methods. World Scientific.
Cita Chicago (17th ed.)
Helland, Inge S. Steps Towards a Unified Basis for Scientific Models and Methods. Singapore ; Hackensack, N.J.: World Scientific, 2010.
Cita MLA (9th ed.)
Helland, Inge S. Steps Towards a Unified Basis for Scientific Models and Methods. World Scientific, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.