APA(7版)引用形式

Maps.com (Firm) & ebrary, Inc. (1997). Hong Kong central district. Maps.com.

Chicagoスタイル(17版)引用形式

Maps.com (Firm) , Inc ebrary. Hong Kong Central District. [S.l.]: Maps.com, 1997.

MLA(9版)引用形式

Maps.com (Firm) , Inc ebrary. Hong Kong Central District. Maps.com, 1997.