APA-ийн эшлэл(7 дахь хэвлэлт)

KLOPFENSTEIN, K. F. (1991). Exponential and logarithmic functions. Davies and Associates Academic Pub.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

KLOPFENSTEIN, Kenneth F. Exponential and Logarithmic Functions. Aurora: Davies and Associates Academic Pub, 1991.

MLA -ийн эшлэл (9 дэх хэвлэлт)

KLOPFENSTEIN, Kenneth F. Exponential and Logarithmic Functions. Davies and Associates Academic Pub, 1991.