Siegel, W., & Itoh, N. (1988). Introduction to string field theory. Singapore: World Scientific.
Čikaški stil citiranjaSiegel, Warren, i Noriaki Itoh. Introduction to String Field Theory. Singapore: World Scientific, 1988.
MLA način citiranjaSiegel, Warren, i Noriaki Itoh. Introduction to String Field Theory. Singapore: World Scientific, 1988.
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