Gaya APA

2017-02-16, ., 0000-00-00, . (). 838100216 (Textbook). Teks: 2016-02-23.

Gaya MLA

2017-02-16, ., 0000-00-00, . "838100216". Textbook Teks: 2016-02-23, . 615.19 Sir t 1.