APA استشهاد

Mara, D. (1978). Sewage treatment in hot climates. John Wiley and Sons.

استشهاد بنمط شيكاغو

Mara, D. Sewage Treatment in Hot Climates. Chichester: John Wiley and Sons, 1978.

MLA استشهاد

Mara, D. Sewage Treatment in Hot Climates. John Wiley and Sons, 1978.