Cita APA (7th ed.)

Espejo, M. A. A demonstration apparatus for gas solid chromatography. Univeristy of the Philippines.

Cita Chicago (17th ed.)

Espejo, Milagros A. A Demonstration Apparatus for Gas Solid Chromatography. Quezon City: Univeristy of the Philippines.

Cita MLA (9th ed.)

Espejo, Milagros A. A Demonstration Apparatus for Gas Solid Chromatography. Univeristy of the Philippines.