If it is destroyed and sent to the graveyard, but I ritual summoned it before, can I special summon it from the graveyard? I mean, it says it must be Ritual Summoned but unlike the Chaos Max it doesn't say it can't be special summoned by other ways.

If it is destroyed and sent to the graveyard, but I Ritual Summoned it before, can I special summon it from the graveyard? 

I mean, it says it "must be Ritual Summoned" but unlike Blue-Eyes Chaos MAX Dragon it doesn't say it can't be special summoned by other ways.

If it is destroyed and sent to the GY but I ritual summoned it before can I special summon iot from the GY? I mean, it says it must be Ritual Summoned but unlike the Chaos Max it doesn't say it can't be special summoned by other ways.

If it is destroyed and sent to the graveyard, but I ritual summoned it before, can I special summon it from the graveyard? I mean, it says it must be Ritual Summoned but unlike the Chaos Max it doesn't say it can't be special summoned by other ways.