Newton, Jon. Profitable organic farming / Jon Newton. - 2nd ed. - Oxford ; Oxford Blackwell Pub., c2004. - xiii, 176 p. : ill.; ISBN: 0632051434 (alk. paper) Subjects--Topical Terms: Organic farming. LC Class. No.: S605.5 .N4 2004 Dewey Class. No.: 631.5/84/068