Wightman, A. S. (1971). Troubles in the external field problelml for invariant wave equations. Gordon and Breach.
Čikaški stil citiranjaWightman, A S. Troubles in the External Field Problelml for Invariant Wave Equations. New York: Gordon and Breach, 1971.
MLA način citiranjaWightman, A S. Troubles in the External Field Problelml for Invariant Wave Equations. Gordon and Breach, 1971.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.