APA-viite (7. p.)

Polchinski, J. G. (2005). String theory: An introduction to the bosonic string. Cambridge University Press.

Chicago-viite (17. p.)

Polchinski, Joseph Gerard. String Theory: An Introduction to the Bosonic String. Cambridge ; New York: Cambridge University Press, 2005.

MLA-viite (8. p.)

Polchinski, Joseph Gerard. String Theory: An Introduction to the Bosonic String. Cambridge University Press, 2005.