An (industry magazine) can be authoritative.Logical formLearned from2 sentences. A rhetoric can be authoritative.Logical formLearned from2 sentences. Tactics can be authoritative.Logical formLearned from2 sentences. A guide to law may be considered authoritative that something-is-the-case.Logical formLearned from2 sentences. (Data resources) can be authoritative.Logical formLearned from2 sentences. Modes can be authoritative.Logical formLearned from2 sentences. Law-books can be authoritative.Logical formLearned from2 sentences. A (dinosaur expert) can be authoritative.Logical formLearned from2 sentences. Editorials can be authoritative.Logical formLearned from2 sentences. A (narrative voice) can be authoritative.Logical formLearned from2 sentences. A religious text can be authoritative.Logical formLearned from2 sentences. Clergies can be authoritative.Logical formLearned from2 sentences. Observers can be authoritative.Logical formLearned from2 sentences. A periodical can be authoritative.Logical formLearned from2 sentences. Hypnosis can be authoritative.Logical formLearned from2 sentences.