APA-ийн эшлэл(7 дахь хэвлэлт)

Topping, J. (1972). Errors of observation and their treatment (4th ed.). Chapman Hall.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Topping, J. Errors of Observation and Their Treatment. 4th ed. London: Chapman Hall, 1972.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Topping, J. Errors of Observation and Their Treatment. 4th ed. Chapman Hall, 1972.