Cita APA

(1996). PENAC "P": A new soil conditioning system without chemicals for agriculture and horticulture. Grecia, C.R.: Ponderco S.A..

Citación estilo Chicago

PENAC "P": A New Soil Conditioning System Without Chemicals for Agriculture and Horticulture. Grecia, C.R.: Ponderco S.A., 1996.

Cita MLA

PENAC "P": A New Soil Conditioning System Without Chemicals for Agriculture and Horticulture. Grecia, C.R.: Ponderco S.A., 1996.