Gaya APA

2017-10-05, ., 2017-02-20, . (). 197130415 (Textbook). 600: 2017-02-20.

Gaya MLA

2017-10-05, ., 2017-02-20, . "197130415". Textbook 600: 2017-02-20, . 615.19 HAD s.