Symposium Somiplan & Broughton, W. (1979). Soil microbiology and plant nutrition: Proceedings. Penerbit Universiti.
Citazione stile Chigago Style (17a edizione)Symposium Somiplan e W.J Broughton. Soil Microbiology and Plant Nutrition: Proceedings. Kuala Lumpur: Penerbit Universiti, 1979.
Citatione MLA (9a ed.)Symposium Somiplan e W.J Broughton. Soil Microbiology and Plant Nutrition: Proceedings. Penerbit Universiti, 1979.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.