Παραπομπή σε μορφή APA (7η εκδ.)

Kwakkel, R. P. (1994). Multiphasic growth in the layer pullet: Effects of nutrient restrictions during rearing. [s.n..

Παραπομπή σε μορφή Chicago (17η εκδ.)

Kwakkel, René P. Multiphasic Growth in the Layer Pullet: Effects of Nutrient Restrictions During Rearing. Wageningen: [s.n., 1994.

Παραπομπή σε μορφή MLA (8th εκδ.)

Kwakkel, René P. Multiphasic Growth in the Layer Pullet: Effects of Nutrient Restrictions During Rearing. [s.n., 1994.