APA (7e ed.) Bronvermelding

Marien, M. D. (1971). Alternative futures for learning: An annotated bibliography of trends, forecasts, and proposals. Educational Policy Research Center, Syracuse University Research Corp.

Chicago (17e ed.) Bronvermelding

Marien, Michael D. Alternative Futures for Learning: An Annotated Bibliography of Trends, Forecasts, and Proposals. Syracuse, N.Y: Educational Policy Research Center, Syracuse University Research Corp, 1971.

MLA (9e ed.) Bronvermelding

Marien, Michael D. Alternative Futures for Learning: An Annotated Bibliography of Trends, Forecasts, and Proposals. Educational Policy Research Center, Syracuse University Research Corp, 1971.