Gaya APA
Sibbet, D., 0000-00-00, .
().
891130616
(
Textbook)
.
Teks:
2016-06-08.
Gaya MLA
Sibbet, David., 0000-00-00, .
"891130616".
Textbook
Teks:
2016-06-08,
.
615.1 All a - 9 1.