APA (7e ed.) Bronvermelding
Ehrenfeld, D. (2002). Swimming lessons: Keeping afloat in the age of technology. Oxford University Press.
Chicago (17e ed.) Bronvermelding
Ehrenfeld, David. Swimming Lessons: Keeping Afloat in the Age of Technology. London ; New York: Oxford University Press, 2002.
MLA (9e ed.) Bronvermelding
Ehrenfeld, David. Swimming Lessons: Keeping Afloat in the Age of Technology. Oxford University Press, 2002.
Let op: Deze citaties zijn niet altijd 100% accuraat.