Parry, J. D. (1981). The Kenyan low cost modular timber bridge. Transport and Road Research Laboratory.
Citazione stile Chigago Style (17a edizione)Parry, J. D. The Kenyan Low Cost Modular Timber Bridge. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1981.
Citatione MLA (9a ed.)Parry, J. D. The Kenyan Low Cost Modular Timber Bridge. Transport and Road Research Laboratory, 1981.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.