Citazione Stile APA (7a Edizione)

Lawden, D. F. (1954). Mathematics of engineering system (linear and non-linear). Methuen.

Citazione stile Chigago Style (17a edizione)

Lawden, Derek F. Mathematics of Engineering System (linear and Non-linear). London: Methuen, 1954.

Citatione MLA (9a ed.)

Lawden, Derek F. Mathematics of Engineering System (linear and Non-linear). Methuen, 1954.