Gaya APA
Scally, M., 2016-10-20, .
().
340120515
(
Textbook)
.
500:
2016-10-20.
Gaya MLA
Scally, Mike., 2016-10-20, .
"340120515".
Textbook
500:
2016-10-20,
.
573.1 KAS b.