Schakel, P. (1997). Approaching poetry: Perspectives and responses. St.Martin's.
Citazione stile Chigago Style (17a edizione)Schakel, Peter. Approaching Poetry: Perspectives and Responses. New York: St.Martin's, 1997.
Citatione MLA (9a ed.)Schakel, Peter. Approaching Poetry: Perspectives and Responses. St.Martin's, 1997.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.