APA (7e ed.) Bronvermelding

Perera, K., & Schechter, M. (2013). Topics in critical point theory. Cambridge University Press.

Chicago (17e ed.) Bronvermelding

Perera, Kanishka, en Martin Schechter. Topics in Critical Point Theory. Cambridge: Cambridge University Press, 2013.

MLA (9e ed.) Bronvermelding

Perera, Kanishka, en Martin Schechter. Topics in Critical Point Theory. Cambridge University Press, 2013.