Cita APA (7th ed.)
Clancy John. (1981). Site surveying and levelling. Edward Arnold.
Cita Chicago (17th ed.)
Clancy John. Site Surveying and Levelling. London: Edward Arnold, 1981.
Cita MLA (9th ed.)
Clancy John. Site Surveying and Levelling. Edward Arnold, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.