Παραπομπή σε μορφή APA (7η εκδ.)

Payumo, J. S., Sandoval, B., & Tarrayo, R. J. (1987). A Study on the quality control mechanisms in the manufacture of a purgative drug from the seeds of the Niog-niogan plant. College of Engineering.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Payumo, Jaymond S., Benjamin Sandoval, και Romeo Jr Tarrayo. A Study on the Quality Control Mechanisms in the Manufacture of a Purgative Drug from the Seeds of the Niog-niogan Plant. Diliman, Quezon City: College of Engineering, 1987.

Παραπομπή σε μορφή MLA (9th εκδ.)

Payumo, Jaymond S., et al. A Study on the Quality Control Mechanisms in the Manufacture of a Purgative Drug from the Seeds of the Niog-niogan Plant. College of Engineering, 1987.