APA (7e ed.) Bronvermelding

FAVRETTO, R. (2010). GIGGLERS: LEONARDO'S SPOT OF TROUBLE. BLAKE EDUCATION.

Chicago (17e ed.) Bronvermelding

FAVRETTO, ROBERT. GIGGLERS: LEONARDO'S SPOT OF TROUBLE. CLAYTON SOUTH: BLAKE EDUCATION, 2010.

MLA (9e ed.) Bronvermelding

FAVRETTO, ROBERT. GIGGLERS: LEONARDO'S SPOT OF TROUBLE. BLAKE EDUCATION, 2010.