Gaya APA
KNAPP, B.
(1963).
SKILL IN SPORT: THE ATTAINTMENT OF PROFICIENCY
.
London:
ROUTLEDGE & KEGAN PAUL.
Gaya MLA
KNAPP, B..
"SKILL IN SPORT: THE ATTAINTMENT OF PROFICIENCY".
London:
ROUTLEDGE & KEGAN PAUL,
1963.
Textbook.