Citazione APA

Helms, R. B. (1975). Drug development and marketing. Washington, D.C: The American Enterprise Institute for Public Policy Research.

Stile di citazione Chicago

Helms, Robert B. Drug Development and Marketing. Washington, D.C: The American Enterprise Institute for Public Policy Research, 1975.

Citazione MLA

Helms, Robert B. Drug Development and Marketing. Washington, D.C: The American Enterprise Institute for Public Policy Research, 1975.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.