Gaya APA

Klein, F, K, K, F, K. (2008). Giving notice : why the best and the brigtest leave the workplace and how you can help them stay.-- (Ed. 1st.--). San Fransisco: Jossey Bass.

Gaya MLA

Klein, Freada, Kapor., Klein,, Freada, Kapor.. "Giving notice : why the best and the brigtest leave the workplace and how you can help them stay.--". Ed. 1st.-- San Fransisco: Jossey Bass, 2008. Buku.