Vincent, Benjamin William, Non-Binary Gender Identity Negotiations: Interactions with Queer Communities and Medical Practice (PDF), 2016.
«Non-binary individuals may identify as part of an explicit ‘third gender’ category that is static and stable, or they may identify as genderfluid, whereby gender identity can shift over time. Some may identify as bigender, where one identifies as male (or more male) some of the time and female (or more female) at other times. Yet others may identify as agender or neutrois, approximately synonymous terms which may be interpreted either as the absence of gender, or the presence of a neutral gender. Many more community-recognised identity labels exist in addition to these few. However, it is not possible to give an exhaustive account of the language coined in order to negotiate the multitude of personal experiences of gender, not least because of its continual growth and negotiation. Any attempt at formal codification would be dated as soon as produced. From this, one can see that non-binary gender identities are rich and complex, and can involve either a mixture or combination of maleness or femaleness, or stepping outside of this paradigm altogether.»
