Παραπομπή APA

Olwen Gwynee-Jones. (1973). Popular guide to puppy rearing. London.

Παραπομπή Chicago Style

Olwen Gwynee-Jones. Popular Guide to Puppy Rearing. London, 1973.

Παραπομπή MLA

Olwen Gwynee-Jones. Popular Guide to Puppy Rearing. London, 1973.