APA (7e ed.) Bronvermelding

Skula, A. (2012). Sweet dreams: How to establish and maintain good sleep habits for your baby. Carroll and Brown.

Chicago (17e ed.) Bronvermelding

Skula, Arna. Sweet Dreams: How to Establish and Maintain Good Sleep Habits for Your Baby. London: Carroll and Brown, 2012.

MLA (8e ed.) Bronvermelding

Skula, Arna. Sweet Dreams: How to Establish and Maintain Good Sleep Habits for Your Baby. Carroll and Brown, 2012.