Gaya APA

Watkins, A, , ., Ehst, , M, , . (2008). Science, technology, and innovation . : The World Bank.Washington, D.C..

Gaya MLA

Watkins, Alfred, , ., Ehst, , Michael, , . "Science, technology, and innovation". : The World Bank.Washington, D.C., 2008. Koleksi World Bank.