APA(7版)引用形式
VRIES, B., & ET AL. (1997). ETHNIC DIFFERENCES IN LATER LIFE FRIENDSHIP.
Chicagoスタイル(17版)引用形式
VRIES, B.DE, , ET AL. ETHNIC DIFFERENCES IN LATER LIFE FRIENDSHIP. 1997.
MLA(9版)引用形式
VRIES, B.DE, , ET AL. ETHNIC DIFFERENCES IN LATER LIFE FRIENDSHIP. 1997.
警告: この引用は必ずしも正確ではありません.