Vergara, A. Y. (2022). Secretary Christina Frasco: Marketer-in chief. Stargate People Asia.
Lua i Stíl Chicago (17ú heag.)Vergara, Alex Y. "Secretary Christina Frasco: Marketer-in Chief." Stargate People Asia 2022.
Lua MLA (9ú heag.)Vergara, Alex Y. "Secretary Christina Frasco: Marketer-in Chief." Stargate People Asia, 2022.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.