Gaya APA
Silver, George A.. (1978).
Child Health America`s Future .
Mayriland USA:
An Aspen Publication.
Gaya Chicago
Silver, George A..
Child Health America`s Future.
Mayriland USA:
An Aspen Publication,
1978.
Buku Teks.
Gaya MLA
Silver, George A..
Child Health America`s Future.
Mayriland USA:
An Aspen Publication,
1978.
Buku Teks.
Gaya Turabian
Silver, George A..
Child Health America`s Future.
Mayriland USA:
An Aspen Publication,
1978.
Buku Teks.