Παραπομπή APA

(1988). IFLA yearbook 1989: Boston, USA, Athens, Rotterdam (8th ed.). Versailles: International Federation of Landscape Architects.

Παραπομπή Chicago Style

IFLA Yearbook 1989: Boston, USA, Athens, Rotterdam. 8th ed. Versailles: International Federation of Landscape Architects, 1988.

Παραπομπή MLA

IFLA Yearbook 1989: Boston, USA, Athens, Rotterdam. 8th ed. Versailles: International Federation of Landscape Architects, 1988.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.