Thomas, W. N. (1961). Surveying (5th ed.). ELBS & Edward Arnold.
Tohutoru Kātū Chicago (17th ed.)Thomas, W. Norman. Surveying. 5th ed. London: ELBS & Edward Arnold, 1961.
Tohutoro MLA (9th ed.)Thomas, W. Norman. Surveying. 5th ed. ELBS & Edward Arnold, 1961.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.