Παραπομπή APA

Murtagh, W. J. (1997). keeping time: : the history and theory of preservation in America (Rev. ed.). New York, NY.: John Wiley and Sons, Inc..

Παραπομπή Chicago Style

Murtagh, William J. Keeping Time: : The History and Theory of Preservation in America. Rev. ed. New York, NY.: John Wiley and Sons, Inc., 1997.

Παραπομπή MLA

Murtagh, William J. Keeping Time: : The History and Theory of Preservation in America. Rev. ed. New York, NY.: John Wiley and Sons, Inc., 1997.

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