Dyfyniad APA

Powell, R. E., & Shah, S. M. (1972). Summability theory and its applications.

Dyfyniad Arddull Chicago

Powell, R E., and S M. Shah. Summability Theory and Its Applications. Van Nostrand Reinhold Co., London, 1972.

Dyfyniad MLA

Powell, R E., and S M. Shah. Summability Theory and Its Applications. 1972.

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