APA (7. basım) Alıntı

Petkim. (1987). The Past-The Present-The Future Of The Petrochemical Industry , Both In Turkey And In The World, İzmir, 6-10 July 1987 (1. Edisyon.). Petkim.

Chicago Style (17. basım) Atıf

Petkim. The Past-The Present-The Future Of The Petrochemical Industry , Both In Turkey And In The World, İzmir, 6-10 July 1987. 1. Edisyon. İzmir: Petkim, 1987.

MLA (9th ed.) Atıf

Petkim. The Past-The Present-The Future Of The Petrochemical Industry , Both In Turkey And In The World, İzmir, 6-10 July 1987. 1. Edisyon. Petkim, 1987.