Gaya APA
Mangoba, G, B., Urrutia, O, A.
(1972).
Manual on audit working papers
.
Philipine:
Mutual Books.
Gaya MLA
Mangoba, Gloria, B.., Urrutia, Ofelia, A..
"Manual on audit working papers".
Philipine:
Mutual Books,
1972.
Text.