Volkers, S. (1998). Coach of Susan O'Neill, Olympic Gold Medalist 200 meter butterfly. The World Swimming Coaches Association Gold Medal Clinic Series, Volume 2, Fort Lauderdale: The World Swimming Coaches Association (Hrsg.), 1998. - S. 13-27..
APA-Zitierstil (7. Ausg.)Volkers, S. (1998). Coach of Susan O'Neill, Olympic Gold Medalist 200 meter butterfly The World Swimming Coaches Association Gold Medal Clinic Series, Volume 2.
Chicago-Zitierstil (17. Ausg.)Volkers, S. "Coach of Susan O'Neill, Olympic Gold Medalist 200 Meter Butterfly." The World Swimming Coaches Association Gold Medal Clinic Series, Volume 2 1998.
MLA-Zitierstil (9. Ausg.)Volkers, S. "Coach of Susan O'Neill, Olympic Gold Medalist 200 Meter Butterfly." The World Swimming Coaches Association Gold Medal Clinic Series, Volume 2, 1998.