Cita APA (7th ed.)

Thekkayam, S. G. (2021). Ornamental Plants. New India Publishing Agency (NIPA).

Cita Chicago (17th ed.)

Thekkayam, Sabina George. Ornamental Plants. New Delhi: New India Publishing Agency (NIPA), 2021.

Cita MLA (9th ed.)

Thekkayam, Sabina George. Ornamental Plants. New India Publishing Agency (NIPA), 2021.