Παραπομπή APA

Mueller, I. I., & Eichhorn, H. (1969). Spherical and practical astronomy: As applied to geodesy. New York: F. Ungar Pub. Co..

Παραπομπή Chicago Style

Mueller, Ivan Istvan, and Heinrich Eichhorn. Spherical and Practical Astronomy: As Applied to Geodesy. New York: F. Ungar Pub. Co., 1969.

Παραπομπή MLA

Mueller, Ivan Istvan, and Heinrich Eichhorn. Spherical and Practical Astronomy: As Applied to Geodesy. New York: F. Ungar Pub. Co., 1969.

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