Παραπομπή σε μορφή APA (7η εκδ.)

ISHS. (1993). Horticultural research international: Directory of horticultural research institutes and their activities in 74 countries. ISHS.

Παραπομπή σε μορφή Chicago (17η εκδ.)

ISHS. Horticultural Research International: Directory of Horticultural Research Institutes and Their Activities in 74 Countries. Wageningen: ISHS, 1993.

Παραπομπή σε μορφή MLA (8th εκδ.)

ISHS. Horticultural Research International: Directory of Horticultural Research Institutes and Their Activities in 74 Countries. ISHS, 1993.