Jack Canfield ... 等著 Jack Canfield ... [等] 著 Jack Canfield ... [等] 编著 Jack Canfield ... [等 Jack Canfield ... [等] (美) Jack Canfield ... [等] 著 (美) Jack Canfield ... [等] 编著 Jack Canfield, Janet Swizer Jack Canfield, Janet Switzer Jack Canfield, Mark Donnelly.