Bibliography
Smith, P. (2000). Drawing for engineering. South Africa: Juta Academic. ISBN 978-0702144066 (Mentored by A. Smith, H.H. Einstein)
Van Amsterdam, E. (2000). Construction methods for civil engineering. South Africa: Juta Academic. ISBN 978-0702152160 (Mentored by H.H. Einstein)
Van Amsterdam, E. (2000). Construction materials for civil engineering. South Africa: Juta Academic. ISBN 978-0702152139 (Mentored by H.H. Einstein)
Van der Westhuizen, J.A. (2000). Drawing for civil engineers. South Africa: Juta Academic. ISBN 978-0702152122 (Mentored by H.H. Einstein)