(1975). Plant research and development. Institute for Scientific Co-operation.
Citazione stile Chigago Style (17a edizione)Plant Research and Development. Tubinga: Institute for Scientific Co-operation, 1975.
Citatione MLA (9a ed.)Plant Research and Development. Institute for Scientific Co-operation, 1975.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.