APA-viite (7. p.)
Norbury, D. (2016). Soil and rock description in engineering practice (Second edition.). Whittles Publishing.
Chicago-viite (17. p.)
Norbury, David. Soil and Rock Description in Engineering Practice. Second edition. Dunbeath, Scotland, UK: Whittles Publishing, 2016.
MLA-viite (9. p.)
Norbury, David. Soil and Rock Description in Engineering Practice. Second edition. Whittles Publishing, 2016.
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