APA (7e ed.) Bronvermelding

Helvering, Commissioner of Internal Revenue, et al. v. Davis. Great Neck Publishing.

Chicago (17e ed.) Bronvermelding

Helvering, Commissioner of Internal Revenue, Et Al. V. Davis. Great Neck Publishing.

MLA (9e ed.) Bronvermelding

Helvering, Commissioner of Internal Revenue, Et Al. V. Davis. Great Neck Publishing.

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