Delpino, F. (1887). Zigomorfia florale e sue cause.
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Tohutoru Kātū Chicago (17th ed.)
Delpino, Federico. Zigomorfia Florale E Sue Cause. Messina, 1887.
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Kua rahua te tārua ki te papatopenga
Tohutoro MLA (9th ed.)
Delpino, Federico. Zigomorfia Florale E Sue Cause. 1887.
I tāruatia paitia ki te papatopenga
Kua rahua te tārua ki te papatopenga
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