Gaya APA

Cockburn, I., Henderson, R. (1994). Scale, scope and spillovers: the determinants of research productivity in ethical drug discovery . USA: John Wiley & Sons.

Gaya MLA

Cockburn, Ianin., Henderson, Rebecca. "Scale, scope and spillovers: the determinants of research productivity in ethical drug discovery". USA: John Wiley & Sons, 1994. Text.