Dyfyniad APA

Meinhardt, P. (1950). Inventions, Patients and monopoly (2nd ed.).

Dyfyniad Arddull Chicago

Meinhardt, Peter. Inventions, Patients and Monopoly. 2nd ed. 1950.

Dyfyniad MLA

Meinhardt, Peter. Inventions, Patients and Monopoly. 2nd ed. 1950.

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