(1969). Completed research, studies and instructional materials for language development under the National defense education act of 1958, Title VI, Section 602: A bibliography (list no. 6) / compiled by Julia A. Petrov ..
Chicago-referens (17:e uppl.)Completed Research, Studies and Instructional Materials for Language Development Under the National Defense Education Act of 1958, Title VI, Section 602: A Bibliography (list No. 6) / Compiled by Julia A. Petrov .. 1969.
MLA-referens (9:e uppl.)Completed Research, Studies and Instructional Materials for Language Development Under the National Defense Education Act of 1958, Title VI, Section 602: A Bibliography (list No. 6) / Compiled by Julia A. Petrov .. 1969.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.