Gaya APA

(U.S.)., N, R, C. et al (1940). Do you know the birds?: environmental study, Rural school experiment, New York State Education Department, Albany, N.Y., under grant arranged by Committee on Scientific Aids to Learning . nyu: .

Gaya MLA

(U.S.)., National, Research, Council. et al. "Do you know the birds?: environmental study, Rural school experiment, New York State Education Department, Albany, N.Y., under grant arranged by Committee on Scientific Aids to Learning". nyu: , 1940. Sound Recording.