Cita APA (7th ed.)

Smith, G. N. (1987). Guide to Site Investigation. Geotechnical Control Office, Civil Engineering Services Department.

Cita Chicago (17th ed.)

Smith, G. N. Guide to Site Investigation. Hong Kong: Geotechnical Control Office, Civil Engineering Services Department, 1987.

Cita MLA (9th ed.)

Smith, G. N. Guide to Site Investigation. Geotechnical Control Office, Civil Engineering Services Department, 1987.

Atenció: Aquestes cites poden no estar 100% correctes.