Παραπομπή APA

Economou, E. N. (1990). Green's functions in quantum physics (2.).

Παραπομπή Chicago Style

Economou, E N. Green's Functions in Quantum Physics. 2. Springer-Verlag, New York, 1990.

Παραπομπή MLA

Economou, E N. Green's Functions in Quantum Physics. 2. 1990.