Holmes, R., Raguse, C., & Peterson, M. (1968). Yield trials with orchardgrass and ryegrass. University of California Agriculture and Natural Resources.
Citazione stile Chigago Style (17a edizione)Holmes, R., C. Raguse, e M. Peterson. Yield Trials with Orchardgrass and Ryegrass. University of California Agriculture and Natural Resources, 1968.
Citatione MLA (9a ed.)Holmes, R., et al. Yield Trials with Orchardgrass and Ryegrass. University of California Agriculture and Natural Resources, 1968.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.