Citace podle APA

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

Styl Chicago

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

Citace podle MLA

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

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