Lua APA (7ú heag.)

Pefianco, R. V. (2001). Stalled commerce. Manila Bulletin.

Lua i Stíl Chicago (17ú heag.)

Pefianco, Romeo V. "Stalled Commerce." Manila Bulletin 2001.

Lua MLA (9ú heag.)

Pefianco, Romeo V. "Stalled Commerce." Manila Bulletin, 2001.

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