APA (7e ed.) Bronvermelding

Mihalic, F. (1993). Keep looking up. Logos Publications.

Chicago (17e ed.) Bronvermelding

Mihalic, Frank. Keep Looking Up. Manila: Logos Publications, 1993.

MLA (9e ed.) Bronvermelding

Mihalic, Frank. Keep Looking Up. Logos Publications, 1993.