Gaya APA
The health of young people a chalenge and a promise. (1993).
Malang Kota:
WHO Geneva.
Gaya Chicago
The health of young people a chalenge and a promise.
.
Malang Kota:
WHO Geneva,
1993.
Text.
Gaya MLA
The health of young people a chalenge and a promise.
.
Malang Kota:
WHO Geneva,
1993.
Text.
Gaya Turabian
The health of young people a chalenge and a promise.
Malang Kota:
WHO Geneva,
1993.
Print.