Great Britain. Agricultural Development and Advisory Service, Grassland Research Institute (Hurley, Berkshire), Sheldrick, R. D., & Johnson, J. (1977). Lucerne for use on the farm. The Institute.
Citazione stile Chigago Style (17a edizione)Great Britain. Agricultural Development and Advisory Service, Berkshire) Grassland Research Institute (Hurley, R. D. Sheldrick, e Joseph Johnson. Lucerne for Use on the Farm. Hurley ([Hurley, Maidenhead, Berks. SL6 5LR]): The Institute, 1977.
Citatione MLA (8a ed.)Great Britain. Agricultural Development and Advisory Service, et al. Lucerne for Use on the Farm. The Institute, 1977.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.