Instituto Labayru. Memoria = Ekintzak. Instituto Labayru, [19--?].
Chicago Style (17th ed.) CitationInstituto Labayru. Memoria = Ekintzak. Bilbao: Instituto Labayru, [19--?].
MLA (9th ed.) CitationInstituto Labayru. Memoria = Ekintzak. Instituto Labayru, [19--?].
Warning: These citations may not always be 100% accurate.