Cita APA (7a ed.)

National Conference of South African Surveyors & National Conference of South African Surveyors. Proceedings of the National Conference of South African Surveyors. National Conference of South African Surveyors.

Cita Chicago Style (17a ed.)

National Conference of South African Surveyors y National Conference of South African Surveyors. Proceedings of the National Conference of South African Surveyors. Cape Town: National Conference of South African Surveyors.

Cita MLA (8a ed.)

National Conference of South African Surveyors y National Conference of South African Surveyors. Proceedings of the National Conference of South African Surveyors. National Conference of South African Surveyors.