APA-referens (7:e uppl.)

Castrén, H. (1993). Suckling behaviour, milk consumption and hormone release in the sow relative to nest building and early milk ejections.

Chicago-referens (17:e uppl.)

Castrén, Heli. Suckling Behaviour, Milk Consumption and Hormone Release in the Sow Relative to Nest Building and Early Milk Ejections. 1993.

MLA-referens (8:e uppl.)

Castrén, Heli. Suckling Behaviour, Milk Consumption and Hormone Release in the Sow Relative to Nest Building and Early Milk Ejections. 1993.