Ruhl, W. (1980). Field Theoreticl methods in particle physics. Plenum Press.
शिकागो स्टाइल उद्धरणRuhl, Werner. Field Theoreticl Methods in Particle Physics. New York: Plenum Press, 1980.
एमएलए उद्धरणRuhl, Werner. Field Theoreticl Methods in Particle Physics. Plenum Press, 1980.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.