John Portsmouth. (1943). Practical poultry keeping: By the advisory staff of poultry world. Iloiffe Books Ltd.
Chicago-стиль цитированияJohn Portsmouth. Practical Poultry Keeping: By the Advisory Staff of Poultry World. Iloiffe Books Ltd, 1943.
MLA-цитированиеJohn Portsmouth. Practical Poultry Keeping: By the Advisory Staff of Poultry World. Iloiffe Books Ltd, 1943.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.