เครื่องหมายจตุรทิศ (Thai Wikipedia)

Analysis of information sources in references of the Wikipedia article "เครื่องหมายจตุรทิศ" in Thai language version.

refsWebsite

Global rank Thai rank

1irishlights.ie

low place

low place

1boatschool.com.au

low place

low place

boatschool.com.au (Global: low place; Thai: low place)

Sanders 2018. Sanders, John (2018), "Cardinal Marks", Boatschool, สืบค้นเมื่อ 15 September 2020

irishlights.ie (Global: low place; Thai: low place)

IALA 2010, p. 14. IALA (2010), Maritime buoyage system and other aids to navigation (PDF), IALA (International association of maritime aids to navigation and lighthouse authorities), สืบค้นเมื่อ 11 August 2019