Gaya APA
Heardman, H., Andrianto, P.
(1996).
Senam Hamil = Relaxation and exercise for children
.
Jakarta:
Arcan.
Gaya MLA
Heardman, H.., Andrianto, Petrus.
"Senam Hamil = Relaxation and exercise for children".
Jakarta:
Arcan,
1996.
Text.