Pettet, J. (1981). Site surveying and levelling: Second level. Hutchinson.
Chicago Style (17th ed.) CitationPettet, John. Site Surveying and Levelling: Second Level. London: Hutchinson, 1981.
MLA (9th ed.) CitationPettet, John. Site Surveying and Levelling: Second Level. Hutchinson, 1981.
Warning: These citations may not always be 100% accurate.