Gaya APA

Yoakam, G, A., Daw, S, E. (1949). My spelling ( Eps. 4 ) (Revisi). Boston: Ginn and Company.

Gaya MLA

Yoakam, Gerald, A., Daw, Seward, E. "My spelling ( Eps. 4 )". Revisi Boston: Ginn and Company, 1949. Text.