APA (7. basım) Alıntı

Eckaus, R. S. (1977). Appropriate technologies for developing countries. National Academy of Sciences.

Chicago Style (17. basım) Atıf

Eckaus, Richard S. Appropriate Technologies for Developing Countries. Washington: National Academy of Sciences, 1977.

MLA (9th ed.) Atıf

Eckaus, Richard S. Appropriate Technologies for Developing Countries. National Academy of Sciences, 1977.