Gaya APA
Peter, .
(1999).
Latihan laktat denyut nadi = training lactate - pulse rate
.
Jakarta:
KONI KKI Jaya.
Gaya MLA
Peter, .
"Latihan laktat denyut nadi = training lactate - pulse rate".
Jakarta:
KONI KKI Jaya,
1999.
Text.