(1997). Primer on the GSIS Act of 1997 (RA 8291). Government Service Insurance System.
Chicagoスタイル(17版)引用形式Primer on the GSIS Act of 1997 (RA 8291). [Metro Manila]: Government Service Insurance System, 1997.
MLA(9版)引用形式Primer on the GSIS Act of 1997 (RA 8291). Government Service Insurance System, 1997.
警告: この引用は必ずしも正確ではありません.