Roldan, A. S. (2003). Becoming a winner: A workbook on personality development and character building. AR Skills Development & Management Services.
Chicago-viite (17. p.)Roldan, Amelia Samson. Becoming a Winner: A Workbook on Personality Development and Character Building. Paranaque City: AR Skills Development & Management Services, 2003.
MLA-viite (9. p.)Roldan, Amelia Samson. Becoming a Winner: A Workbook on Personality Development and Character Building. AR Skills Development & Management Services, 2003.
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