Gaya APA

2016-12-06, ., 2017-02-22, . (). 839100216 (Textbook). 600: 2017-02-22.

Gaya MLA

2016-12-06, ., 2017-02-22, . "839100216". Textbook 600: 2017-02-22, . 615.19 Sir t 2.