Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.