Gaya APA

Russel, R, S. (1982). Plant root systems : their function and interaction with the soil (Ed. 1 Cet. 1). England: McGRAW-HILL Bok Company (.

Gaya MLA

Russel, R., Scott. "Plant root systems : their function and interaction with the soil". Ed. 1 Cet. 1 England: McGRAW-HILL Bok Company (, 1982. Text.