APA Citatie

Boucher, B. J. (2012). The Problems of Vitamin D Insufficiency in Older People. JKL International LLC.

Chicago Style citaat

Boucher, Barbara J. The Problems of Vitamin D Insufficiency in Older People. JKL International LLC, 2012.

MLA citatie

Boucher, Barbara J. The Problems of Vitamin D Insufficiency in Older People. JKL International LLC, 2012.

Let op: Deze citaties zijn niet altijd 100% accuraat.