Gaya APA
Prichard, J, F. (1972).
Advanced Periodontal Disease/ Surgical And Prosthetic Management (2nd Edition).
Philadephia:
W.B. Saunders Company.
Gaya MLA
Prichard, John, F..
"Advanced Periodontal Disease/ Surgical And Prosthetic Management".
2nd Edition
Philadephia:
W.B. Saunders Company,
1972.
Text.