APA Style

Eckaus, Richard S.. (1926). Appropriate technologies for developing countries . Washington: National Academy of Sciences.

Chicago Style

Eckaus, Richard S.. Appropriate technologies for developing countries. Washington: National Academy of Sciences, 1926. Buku Teks.

MLA Style

Eckaus, Richard S.. Appropriate technologies for developing countries. Washington: National Academy of Sciences, 1926. Buku Teks.

Turabian Style

Eckaus, Richard S.. Appropriate technologies for developing countries. Washington: National Academy of Sciences, 1926. Buku Teks.