APA استشهاد

Pshenichny , B., & Danilin , Y. M. (1978). Numerical methodds in external problems. MIR Publishers.

استشهاد بنمط شيكاغو

Pshenichny , B.N, و Yu M. Danilin. Numerical Methodds in External Problems. Moscow: MIR Publishers, 1978.

MLA استشهاد

Pshenichny , B.N, و Yu M. Danilin. Numerical Methodds in External Problems. MIR Publishers, 1978.