Gaya APA
Lord, Sterling. (1976).
Returning the serve intellgently (1st).
New York:
United States Tennis Association Instructional Series.
Gaya Chicago
Lord, Sterling.
Returning the serve intellgently.
1st
New York:
United States Tennis Association Instructional Series,
1976.
Text.
Gaya MLA
Lord, Sterling.
Returning the serve intellgently.
1st
New York:
United States Tennis Association Instructional Series,
1976.
Text.
Gaya Turabian
Lord, Sterling.
Returning the serve intellgently.
1st
New York:
United States Tennis Association Instructional Series,
1976.
Print.