APA (7e ed.) Bronvermelding
Humphrey, G. (1923). Stories of the world's holidays. Milton Bradley Company.
Chicago (17e ed.) Bronvermelding
Humphrey, Grace. Stories of the World's Holidays. Massachusetts: Milton Bradley Company, 1923.
MLA (9e ed.) Bronvermelding
Humphrey, Grace. Stories of the World's Holidays. Milton Bradley Company, 1923.
Let op: Deze citaties zijn niet altijd 100% accuraat.