Gaya APA
School Health Education. (1972).
:
Harper & Row.
Gaya Chicago
School Health Education.
Edisi.5.
:
Harper & Row,
1972.
.
Gaya MLA
School Health Education.
Edisi.5.
:
Harper & Row,
1972.
.
Gaya Turabian
School Health Education.
:
Harper & Row,
1972.
.