Gaya APA

Howe, J. (2005). EARTH ROADS: Their Construction and Maintenance (Jack Hidson: Revised by John Howe and Gordon Hathway) . : ITDG Publishing.

Gaya MLA

Howe, John.. "EARTH ROADS: Their Construction and Maintenance (Jack Hidson: Revised by John Howe and Gordon Hathway)". : ITDG Publishing, 2005. Text.