Santos, A. P. (1977). The boys of Mt. Vesuvius (Alsan edition.). Alsan House.
Lua i Stíl Chicago (17ú heag.)Santos, Alfonso P. The Boys of Mt. Vesuvius. Alsan edition. Quezon City: Alsan House, 1977.
Lua MLA (9ú heag.)Santos, Alfonso P. The Boys of Mt. Vesuvius. Alsan edition. Alsan House, 1977.
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