Gaya APA
Snyder, G.
(2007).
Remaja & Alkohol (The Gallup Youth Survey: Isu & tren utama)
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Bandung:
Pakar Raya.
Gaya MLA
Snyder, Gail.
"Remaja & Alkohol (The Gallup Youth Survey: Isu & tren utama)".
Bandung:
Pakar Raya,
2007.
100_Philoshopy.