APA-viite (7. p.)
Sia, M. F., & Sia, S. (2010). From question to quest: Literary-philosophical enquiries into the challenges of life. Cambridge Scholars Pub..
Chicago-viite (17. p.)
Sia, Marian F., ja Santiago Sia. From Question to Quest: Literary-philosophical Enquiries into the Challenges of Life. Newcastle upon Tyne, UK: Cambridge Scholars Pub., 2010.
MLA-viite (9. p.)
Sia, Marian F., ja Santiago Sia. From Question to Quest: Literary-philosophical Enquiries into the Challenges of Life. Cambridge Scholars Pub., 2010.
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