Green, M., Schwarz, J. H., & Witten, E. (1987). Superstring theory: 2V.; v1. introduction, v2. loop amplitudes, anomalies and phenomenology. Cambridge University Press.

Green, M., John H. Schwarz, and E. Witten. Superstring Theory: 2V.; V1. Introduction, V2. Loop Amplitudes, Anomalies and Phenomenology. Cambridge: Cambridge University Press, 1987.

Green, M., et al. Superstring Theory: 2V.; V1. Introduction, V2. Loop Amplitudes, Anomalies and Phenomenology. Cambridge University Press, 1987.