APA-ийн эшлэл(7 дахь хэвлэлт)

(1981). Effects of etiologically defined respiratory infections on lung function and its growth in an area of low air pollution--spirometry in young children when illness-free / Albert M. Collier [and others].

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Effects of Etiologically Defined Respiratory Infections on Lung Function and Its Growth in an Area of Low Air Pollution--spirometry in Young Children When Illness-free / Albert M. Collier [and Others]. 1981.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Effects of Etiologically Defined Respiratory Infections on Lung Function and Its Growth in an Area of Low Air Pollution--spirometry in Young Children When Illness-free / Albert M. Collier [and Others]. 1981.