Dyfyniad APA

O’Brien, R. (1977). Marriott: The J. Willard Marriott story. Salt Lake City: Deseret Book Co..

Dyfyniad Arddull Chicago

O’Brien, Robert. Marriott: The J. Willard Marriott Story. Salt Lake City: Deseret Book Co., 1977.

Dyfyniad MLA

O’Brien, Robert. Marriott: The J. Willard Marriott Story. Salt Lake City: Deseret Book Co., 1977.

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