Παραπομπή APA

Prentis, E. A., & White, L. (1950). Underpinning: Its practice and applications (2d ed., rev. and enl.). New York: Columbia University Press.

Παραπομπή Chicago Style

Prentis, Edmund Astley, and Lazarus White. Underpinning: Its Practice and Applications. 2d ed., rev. and enl. New York: Columbia University Press, 1950.

Παραπομπή MLA

Prentis, Edmund Astley, and Lazarus White. Underpinning: Its Practice and Applications. 2d ed., rev. and enl. New York: Columbia University Press, 1950.

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