Παραπομπή APA

Jackson, A., & Day, D. (1999). Collins plumbing and central heating. London: Harper Collins Publishers.

Παραπομπή Chicago Style

Jackson, Albert, and David Day. Collins Plumbing and Central Heating. London: Harper Collins Publishers, 1999.

Παραπομπή MLA

Jackson, Albert, and David Day. Collins Plumbing and Central Heating. London: Harper Collins Publishers, 1999.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.