Macuja, A. M. (2002). SEC lists 26 firms in pyramid scheme. Manila Bulletin.
Lua i Stíl Chicago (17ú heag.)Macuja, Ana Marie. "SEC Lists 26 Firms in Pyramid Scheme." Manila Bulletin 2002.
Lua MLA (9ú heag.)Macuja, Ana Marie. "SEC Lists 26 Firms in Pyramid Scheme." Manila Bulletin, 2002.
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