Ingram, D. J. E. (1958). Free radicals as studied by electron spin resonance. Butterworths scientific publications.
Trích dẫn kiểu ChicagoIngram, David J. E. Free Radicals as Studied by Electron Spin Resonance. London: Butterworths scientific publications, 1958.
Trích dẫn MLAIngram, David J. E. Free Radicals as Studied by Electron Spin Resonance. Butterworths scientific publications, 1958.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.