Παραπομπή σε μορφή APA (7η εκδ.)

Loo, E. N. v. (1993). On the relation between tillering, leaf area dynamics and growth of perennial ryegrass (Lolium perenne L.). s.n..

Παραπομπή σε μορφή Chicago (17η εκδ.)

Loo, E. N. van. On the Relation Between Tillering, Leaf Area Dynamics and Growth of Perennial Ryegrass (Lolium Perenne L.). [S.l.: s.n., 1993.

Παραπομπή σε μορφή MLA (8th εκδ.)

Loo, E. N. van. On the Relation Between Tillering, Leaf Area Dynamics and Growth of Perennial Ryegrass (Lolium Perenne L.). s.n., 1993.