APA-ийн эшлэл(7 дахь хэвлэлт)

Leestma, S., & Nyhoff, L. R. (1990). Pascal: Programming and problem solving (3rd ed.). Macmillan ; Collier Macmillan.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Leestma, Sanford, ба Larry R. Nyhoff. Pascal: Programming and Problem Solving. 3rd ed. New York : London: Macmillan ; Collier Macmillan, 1990.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Leestma, Sanford, ба Larry R. Nyhoff. Pascal: Programming and Problem Solving. 3rd ed. Macmillan ; Collier Macmillan, 1990.