CrepeauEB, CohnES, SchellBAB: Willard and Spackman's Occupational Therapy, 10th ed. Philadelphia: Lippincott Williams & Wilkins; 2003.
2.
DawkinsR: The Extended Phenotype: The Long Reach of the Gene. (Revised edition with New Afterward and Further Reading). New York: Oxford University Press; 1999.
