Gaya APA

Swanson, C, P., Howes, V, M. (1974). Informal teaching in the open classroom . Ne York: Ne York: Macmillan; 1974.

Gaya MLA

Swanson, Carl, P.., Howes, Virgil, M.. "Informal teaching in the open classroom". Ne York: Ne York: Macmillan; 1974, 1974. Text.