Cita APA (7th ed.)

Deumlich, F., & Faig, W. (1982). Surveying instruments. W. de Gruyter.

Cita Chicago (17th ed.)

Deumlich, Fritz, i Wolfgang Faig. Surveying Instruments. Berlin ; New York: W. de Gruyter, 1982.

Cita MLA (9th ed.)

Deumlich, Fritz, i Wolfgang Faig. Surveying Instruments. W. de Gruyter, 1982.