Clark, A. H. Preliminary notice of a collection of recent crinoids from the Philippine Islands. s.n.
Cita Chicago (17th ed.)Clark, Austin Hobart. Preliminary Notice of a Collection of Recent Crinoids from the Philippine Islands. [S.l: s.n.
Cita MLA (9th ed.)Clark, Austin Hobart. Preliminary Notice of a Collection of Recent Crinoids from the Philippine Islands. s.n.
Atenció: Aquestes cites poden no estar 100% correctes.