Dyfyniad APA

Brink, L., Friedan, D., & Polyakov, A. M. (1990). Physics and mathematics of strings. Singapore: World Scientific.

Dyfyniad Arddull Chicago

Brink, L., D. Friedan, và A. M. Polyakov. Physics and Mathematics of Strings. Singapore: World Scientific, 1990.

Dyfyniad MLA

Brink, L., D. Friedan, và A. M. Polyakov. Physics and Mathematics of Strings. Singapore: World Scientific, 1990.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.