APA (7th ed.) Citation

Thalahagama, P. (1970). Lankave pradeshika bhugola vidyava. Gunaratne.

Chicago Style (17th ed.) Citation

Thalahagama, P. Lankave Pradeshika Bhugola Vidyava. Colombo: Gunaratne, 1970.

MLA (9th ed.) Citation

Thalahagama, P. Lankave Pradeshika Bhugola Vidyava. Gunaratne, 1970.

Warning: These citations may not always be 100% accurate.