Citazione Stile APA (7a Edizione)

(1971). Reading is easy (Experimental ed., repr.). Educational Publ. Bureau.

Citazione stile Chigago Style (17a edizione)

Reading Is Easy. Experimental ed., repr. Singapore: Educational Publ. Bureau, 1971.

Citatione MLA (9a ed.)

Reading Is Easy. Experimental ed., repr. Educational Publ. Bureau, 1971.