Each linguistic form is a fixed combination of signaling units, the phonemes.
- Bloomfield (1935), a pag.158

The common part of partly like utterances [...] consists of a phonetic form with a constant meaning : it answers, therefore, to the definition of a linguistic form.
- Bloomfield (1935), a pag.159

A phonetic form with its meaning is a linguistic form.
- Bloomfield (1935), a pag.166

[...]a linguistic form, as actually uttered, always contains a grammatical form.
- Bloomfield (1935), a pag.168

Meaningful unit of linguistic signaling, smallest or complex: 'linguistic form' [...]
- Bloomfield (1935), a pag.264