Gaya APA

;, R, D, A, U. (1984). An Analysis of Radiographic Quality : Lab Manual and Workbook Second Edition (2 th ed.). Maryland USA: Aspen Pub. Inc..

Gaya MLA

;, R.A., Day,, A.L., Underwood. "An Analysis of Radiographic Quality : Lab Manual and Workbook Second Edition". 2 th ed. Maryland USA: Aspen Pub. Inc., 1984. Text.