Tohutoro APA (7th ed.)

Laurila, S. H. (1976). Electronic surveying and navigation. John Wiley.

Tohutoru Kātū Chicago (17th ed.)

Laurila, Simo H. Electronic Surveying and Navigation. Nueva York: John Wiley, 1976.

Tohutoro MLA (9th ed.)

Laurila, Simo H. Electronic Surveying and Navigation. John Wiley, 1976.