APA (7e ed.) Bronvermelding

Krakow, I. H. (1989). Lotus 1-2-3 self-taught (Revised and expanded.). Jemma.

Chicago (17e ed.) Bronvermelding

Krakow, Ira H. Lotus 1-2-3 Self-taught. Revised and expanded. Cainta, Rizal: Jemma, 1989.

MLA (9e ed.) Bronvermelding

Krakow, Ira H. Lotus 1-2-3 Self-taught. Revised and expanded. Jemma, 1989.