Cita APA

Alexis L Romanoff & Anustasia Romanoff. (1949). Avian egg. John wilery and sons l, inc.

Chicago Edition Citation

Alexis L Romanoff i Anustasia Romanoff. Avian Egg. John wilery and sons l, inc, 1949.

Cita MLA

Alexis L Romanoff i Anustasia Romanoff. Avian Egg. John wilery and sons l, inc, 1949.

Atenció: Aquestes cites poden no estar 100% correctes.