Gaya APA
Powers, J, M., WATAHA, J, C. (2008).
DENTAL MATERIALS PROPERTIES AND MANIPULATION (9th.edition).
St. Louis:
Mosby Elsevier.
Gaya MLA
Powers, John, M.., WATAHA, JOHN, C..
"DENTAL MATERIALS PROPERTIES AND MANIPULATION".
9th.edition
St. Louis:
Mosby Elsevier,
2008.
Text.