How Do You Spell ORGANISATION THEORY?

Correct spelling for the English word "organisation theory" is [ˌɔːɡɐna͡ɪzˈe͡ɪʃən θˈi͡əɹi], [ˌɔːɡɐna‍ɪzˈe‍ɪʃən θˈi‍əɹi], [ˌɔː_ɡ_ɐ_n_aɪ_z_ˈeɪ_ʃ_ə_n θ_ˈiə_ɹ_i] (IPA phonetic alphabet).