Westermarck, H. (1973). Peer farmers' role in the adoption of recommended practices ; a study on demonstration farmers' and other farmers' influence on the acceptance of certain recommended farm and household practices in 15 Eastern Finland neighborhoods, 1973. s.n.
Chicago (17e ed.) BronvermeldingWestermarck, Harri. Peer Farmers' Role in the Adoption of Recommended Practices ; a Study on Demonstration Farmers' and Other Farmers' Influence on the Acceptance of Certain Recommended Farm and Household Practices in 15 Eastern Finland Neighborhoods, 1973. s.l: s.n, 1973.
MLA (9e ed.) BronvermeldingWestermarck, Harri. Peer Farmers' Role in the Adoption of Recommended Practices ; a Study on Demonstration Farmers' and Other Farmers' Influence on the Acceptance of Certain Recommended Farm and Household Practices in 15 Eastern Finland Neighborhoods, 1973. s.n, 1973.