Gaya APA
Nasrum, U.
(1985).
Dasar - dasar mekanika tubuh (basic of body mechanic)
.
Medan:
FPOK IKIP Medan.
Gaya MLA
Nasrum, Usman.
"Dasar - dasar mekanika tubuh (basic of body mechanic)".
Medan:
FPOK IKIP Medan,
1985.
Text.