Styl cytowania APA

OECD. (2001). Health at a glance: OECD indicators . OECD.

Styl cytowania Chicago

OECD. Health at a Glance: OECD Indicators . Paris: OECD, 2001.

Styl cytowania MLA

OECD. Health at a Glance: OECD Indicators . OECD, 2001.